a container with 3.00 moles of gas has a volume of 60.0 l. with a temperature at 400.k, what is the pressure in atm? your answer should have three significant figures (round your answer to two decimal places). use r

Answers

Answer 1

The pressure of the gas inside the container is 1.6 atm. .This is calculated by the ideal  gas law.

Ideal gas law states that the pressure of ideal gas is directly proportional to the absolute temperature of the gas. The ideal gas law also called the general gas equation. This is the equation of state of a hypothetical ideal gas. It is a good approximation of the behavior of many gases under many conditions . The expression for ideal gas law is,

          PV = nRT

where,  P is the pressure of the gas

             V is the volume of the gas

             n is the number of moles of the gas

             T is the temperature of the gas

A container with 3.00 moles of gas has a volume of 60.0L with a temperature at 400 K. To find the pressure of the gas we have to apply all these value in ideal gas law.

n = 3.0 moles

V = 60.0 L

T = 400 K

From PV = nRT,

           P = n RT / V

         = (3.0 mole) (0.0821 L-atm. /K-mole)(400 K) / 60.0L

         = 1.642 atm.

          = 1.6 atm.

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Related Questions

The solution for bounded buffer problem provided in section 7. 1. 1 does not work correctly if there are more than one producer or consumer.

a. True

b. False

Answers

The following assertion is true , If there are several suppliers or customers, the solution for the bounded buffer problems mentioned in section 7. 1. 1 will not function properly.

What is solution explain?

A mixture is any mixture in which one or more solutes have been broken down by a solvent. Solutes must dissolve in solvents to form homogeneous mixtures. Solutes must dissolve in solvents to form homogeneous mixtures.

What are 4 examples of a solution?

Types such solution include sugar-water, salt solutions, metal, alloy, alcohol in water, aerosols, air, and aerated beverages like Coca-Cola. When working with chemicals, we frequently make a variety of solutions, such copper in water and iodine in alcohol, among others.

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many covalent compounds are gases, liquids, or low-melting solids at room temperature. which option correctly accounts for this behavior? multiple choice question.

Answers

Covalent compounds are gases, liquids, or low-melting solids at room temperature because intermolecular forces between the molecules require little energy to break.

An electron exchange that results in the formation of electron pairs between atoms is known as a covalent bond. Bonding pairs or sharing pairs are the names given to these electron pairs. Covalent bonding is the stable equilibrium of the attractive and repulsive forces between atoms when they share electrons.

Covalent compounds can be found as soft solids, liquids, or gases.Generally speaking, covalent compounds have low melting and boiling points.Covalent compounds are soluble in organic solvents but insoluble in water.They don't conduct electricity when they're solid, molten, or liquid.

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yet, despite the similarity in their appeareance, these two substances differ greatly in their porperties, since one is a molecular solid and the other is an ionic solid. how do the properties differ and why?

Answers

Molecular solid have covalently bonded atoms in it whereas Ionic solid have electronic bonds between its atoms..

We employ the octet rule, which states that all atoms in a compound are expected to comply by, to confirm the accuracy of any chemical structure. Every atom in the carbon IV oxide model precisely complies with the octet rule. The valence shell of each atom in the molecule is surrounded by eight electrons. We can therefore conclude that this structure is accurate given the total number of bonds and electrons, as well as the fact that CO₂ has sixteen valence electrons.

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How many molecules are in 24.0 g of
H₂SO4?

Answers

Explanation:

RFM=98g

1mol=6.022x10^23molecules

1mol=RFM

98g H2SO4=6.022x10^23molecules

24.0g H2SO4=?

24×6.022×10^23/98

=1.475×10^23 molecules

for a cell consisting of cu(s) in 0.03 m cu(no3)2(aq) and cu(s) in 1.49 m cu(no3)2(aq), what is the value of ecell in v (assume 298k)?

Answers

For a cell made up of cu(s) in 0.03 m cu(no3)2(aq) and cu(s) in 1.49 m cu, the value of ecell in v (assuming 298k) is 2.0 V. (no3) 2(aq)

What is the process of a solar cell?

Galvanic (or voltaic) cells generate an electric current via a thermodynamically advantageous redox reaction. In a separate compartment, or half-cell, each half-reaction takes place alongside an electrode. The electrodes where oxidation and reduction happen are called the anode and cathode, respectively.

What sets voltaic cells apart from galvanic ones?

Galvanic (or voltaic) cells use a thermodynamically advantageous redox reaction to produce an electric current. Each half-reaction takes place next to an electrode in a distinct compartment, or half-cell. The anode and cathode, respectively, are the electrodes where reduction and oxidation occur.

Briefing:

For the oxidation half cell;

Al(s) -------> Al^3+(aq) + 3e.

For reduction half cell;

Cu^2+(aq) +2e ------> Cu(s).

E°cell = E°cathode - E°anode

But;

E°cathode= 0.34 V

E°anode = -1.66 V

E°cell= 0.34 -(-1.66)

E°cell= 2.0 V

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A chunk of dry ice, solid co2, disappears after sitting at room temperature for a while. There is no puddle of liquid. What happened?.

Answers

At room temperature, a chunk of dry ice, which is solid CO2, eventually disappears. No liquid puddle is present. The CO2 gas froze solid.

Dry ice is created when carbon dioxide freezes. Instead of first becoming a liquid and then a solid, carbon dioxide transitions directly from a gas to a solid. Because of this, anytime it melts, gas is also produced.

What does dry ice actually serve for?

Dry ice is typically used in industry for operations including blasting, maintaining frozen items, and conveying medications. Additionally, we regularly use dry ice for a number of additional purposes, such as creating spectacular effects for films and events.

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if liquid ammonia and water were mixed, between which two atoms in these molecules would a hydrogen bond form?

Answers

For modest atomic masses, the atom's recoil plays a more significant role. Which two atoms in these molecules would be interconnected if liquid ammonia and water were combined?

What is a hydrogen bond, for instance?

Hydrogen, for instance, is covalently linked to the more electronegative oxygen atom in water molecules (H2O). Therefore, the dipole-dipole interactions between the hydrogen atom of one water molecule and the oxygen atom of another H2O molecule are what cause hydrogen bonding to form in water molecules.

What exactly does the term "hydrogen bond" mean?

The partial positive charge of the hydrogen atoms in some polar molecules causes them to be drawn to the partial negative charge of an atom in another neighboring molecule. A hydrogen bond is the name given to this attraction.

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a chemical engineer has determined by measurements that there are 81.2 moles of carbon in a sample of methyl tert-butyl ether. how many moles of oxygen are in the sample? round your answer to 3 significant digits.

Answers

It is 194.88 moles of oxygen that the chemical engineer determined in the sample of methyl tert-butyl ether if there are 81.2 moles of carbon

Procedure to calculate moles of oxygen

If C5H12O the formula of methyl tert-butyl ether, it is observed that there are 5 hydrogen atoms for every 12 oxygen atoms

And if each mole contains exactly 6.022 × 10∧23 atoms, according to Avogadro's number, then a simple rule of thumb can determine how many hydrogen atoms are present.

Rule of three

1 mole ------------- 6.022 ×1023

81.2 moles ----------- x

X = 81.2 x 6.022 140 76×1023

x = 488,986 x 10∧23

Once again, by the rule of three, the amount of elementary oxygen particles is determined.

 5 H atoms ---------- 12 O atoms

488.986 x ×1023 H ------ x O

X = 488,986 x ×1023 x 12 /5

X = 1173.567 x 10∧23

And with the rule of three and Avogadro's number, the number of moles of oxygen is also determined.

Rule of three

6.022 ×1023 ------------- 1 mol

1173.567 x 1023----------- x mol

X moles = 1173.567 x 1023 x 1 / 6.022 x 1023

X = 194.88 moles

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What energy is associated with a photon in the infrared region of the spectrum having a frequency of 2.9 × 1013 5-1?

Answers

Answer:

1.9 x 10^-20 Joules

Explanation:

I'll assume the frequency is 2.9 x 10^13 Hz  [5-1 was meant to be s^-1].

The energy of a photon is given by the releationship:

 E = hf, where E is energy, h is Planck's constant, and f is frequency, in 1/s or Hz.

Planck's constant = 6.62607E-34 J*s

E = hf

E = (6.626 x 10^-34 J*s)*(2.9 x 10^13 s^-1)

E = 1.9 x 10^-20 Joules

Iron and oxygen react to form iron(III) oxide; 4Fe(s)+3O2(g)-->2Fe2O3(s). Determine the limiting reactant in each of the following mixtures of reactants: a) 2.0 mol of Fe and 6.0 mol of O2. b) 5.0 mol of Fe and 4.0 mol of O2. c) 16.0 mol of Fe and 20.0 mol of O2. express your answer as a chemical formula.

Answers

The limiting reagent in all the three mixtures a, b and c is Iron.

Iron and Oxygen reacts with each other to form iron (III) as follows,

4Fe(s) + 3O₂(g) → 2Fe₂O₃(s)

So, as we can see,

4 moles of Fe reacts with  moles of O₂ to form iron(III) oxide.

So, for every 1 mole of Fe, 3/4 moles of O₂ will required.

Also,

Moles = Given mass/Molar Mass

Molar mass of Fe = 55 g/mol.

Molar mass of Oxygen = 16 g/mol.

a). In mixture of 2.0 mol of Fe and 6.0 mol of O₂,

There are 3 moles of O₂ are present for every one mole of Fe.

So, Fe is the limiting reagent here.

b) In mixture of 5.0 mol of Fe and 4.0 mol of O₂,

4/5 moles of O₂ are present for one mole of O₂.

So, the limiting reagent in this case is Iron.

c) In mixture of 16.0 mol of Fe and 20.0 mol of O₂,

There are 16/20 moles of O₂ are present for one mole of Iron.

So, the Limiting reagent in this case is Iron.

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which of the following statements is incorrect about a concentration cell consisting of the same metal and metal ion solutions at different concentrations? a) reduction occurs in the more concentrated solution. b) the cell containing the more concentrated solution is the anode. c) the standard electrode potential (e°) of the electrochemical cell is zero d) the greater the difference in concentrations of the half-cells, the greater the initial voltage is. e) a spontaneous redox reaction occurs until the concentrations become equal.

Answers

The  statements that is incorrect about a concentration cell consisting of the same metal and metal ion solutions at different concentrations is the cell containing the more concentrated solution is the anode.

So option B is correct.

What are metal ion solutions?

A metal ion solution or aqua ion is described as a cation, dissolved in water, of chemical formula [Mₙ]ᶻ⁺. The solvation number, n, determined by a variety of experimental methods is 4 for Li⁺ and Be²⁺ and 6 for most elements in periods 3 and 4 of the periodic table.

A concentration cell is also described as a limited form of a galvanic cell that has two equivalent half-cells of the same composition differing only in concentrations. A spontaneous redox reaction occurs in a concentration cell until the concentrations of the solutions become equal.

The cell containing the more concentrated solution is the cathode while the cell containing the less concentrated solution is the anode.

Also, the standard electrode potential (e°) of the electrochemical cell is zero.

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draw the main organic products of the reaction. indicate the stereochemistry, including all hydrogen atoms, at each stereocenter. omit byproducts such as salts or methanol. the starting material is a 6 carbon ring where carbon 1 has a wedged bond to bromide and a dashed bond to hydrogen. moving counterclockwise, carbon 2 has a wedged bond to methyl and a dashed bond to hydrogen. this reacts with c h 3 o n a and methanol to form the product.

Answers

Well here i can't provide the diagram of the starting material is a 6 C ring where C 1 has a wedged bond to bromide (Br) and a dashed bond to hydrogen. moving counterclockwise, C 2 has a wedged bond to methyl and a dashed bond to hydrogen. this reacts with c h 3 o n a and methanol to form the product.

Describe the following :What is Bromide?

Bromide is the negatively charged member of the halogen group and is a form of Bromine element. Bromine's atomic no is 35 and atomic mass is 79.904 u.

Methanol:

Methanol is first of all is a organic chemical with the formula CH₃OH. It is an aliphatic alcohol which is colorless and volatile in nature.

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write the balanced net ionic equation for the reactions that occur when the given aqueous solutions are mixed. include the physical states. a. nitric acid, hno3 , and calcium hydroxide, ca(oh)2

Answers

Calcium hydroxide, or Ca(OH)2(aq), has the ability to neutralize nitric acid, or HNO3(aq). When these two compounds react, what salt is produced? Write a balanced chemical equation to describe the reaction.

HNO3 (aq) + NaOH (aq) H 2 O (aq) + NaNO3 In this reaction, sodium hydroxide, a base, and nitric acid, an acid, combine to produce sodium nitrate, a salt, and water. It is, therefore, a neutralization reaction. Consequently, the chemical reaction that is balanced is 2 KClO 3 Chlorate of potassium 2 KCl Potassium chloride + 3 O2 the element of oxygen.

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Pituitary gland hormones secreted

Answers

Answer: Growth Hormones.

GH(Growth hormone), FSH(Follicle-stimulating hormone), TSH(Thyroid-stimulating hormone), LH(Luteinising hormone)

Which set of compounds is arranged in order of increasing magnitude of lattice energy?.

Answers

The compounds MgO, NaF, and RbI are organized in ascending order of lattice energy.

Which substance possesses the largest lattice energy?

Smaller ions have bigger charges, which results in more lattice energy. thus possesses the highest lattice energy.

Which lattice energy order is correct?

Radius of the ions has an inverse relationship with lattice energy. Magnesium ions are smaller than calcium ions in size. As a result, lithium fluoride has the lowest lattice energy and magnesium oxide has the greatest.

What boosts the lattice's energy?

Lattice energy increases for ions with higher charges and shorter distances between ions. Lattice energies are often calculated using the Born-Haber cycle, a thermochemical cycle including all of the energetic steps involved in converting elements into an ionic

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what was the solid material left in the test tube at the end of the chemical reaction? explain how this makes sense

Answers

The Products are the chemicals that emerge from the process.

What is chemical reaction?

A method where one or more substances, known as reactants, are transformed into one or more new substances, known as products. Substances are made of chemical building blocks or chemical compounds.

What is solid ?

As one of the four fundamental states of matter, a substance is said to be in the solid state when it is in that condition. Atoms in solids are closely packed together and have significantly lower kinetic energy than those in liquids and gases.

Chemical reactions are initiated by reactants, which are the substances that do so. Products are the chemicals that emerge from the process.

Therefore, Products are the chemicals that emerge from the process.

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magnesium carbonate, mgco3, is insoluble. identify the spectator ions when aqueous solutions of sodium carbonate and magnesium chloride are combined.

Answers

When sodium carbonate and magnesium chloride are mixed in aqueous solutions, the spectator ions are No3- and Na+.

What spectator ions result when mixing sodium carbonate and magnesium chloride in aqueous solutions?

Salt and chloride are the spectator ions. The only insoluble component in this reaction is magnesium carbonate. Both water and a gas compound are not created. This indicates that all other ions are spectator ions and remain in aqueous solutions on both sides of the reaction equation.

What happens when sodium carbonate and magnesium chloride are combined?

Magnesium carbonate and sodium chloride are created when sodium carbonate, Na 2CO 3, and magnesium chloride, MgCl 2, react.

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If molecules of hydrogen, nitrogen, oxygen and chlorine have the same kinetic energy which molecule will be moving the fastest?.

Answers

Among hydrogen, nitrogen, oxygen and chlorine gas particles, hydrogen has  the smallest particles  will move with the fastest speed.

The formula of kinetic energy is :

KE= 1/2 (Mv^2)

Where, KE = kinetic energy

m = mass of the gas particle

v = velocity of the gas

Different gas particles move at different speeds with this kinetic energy—gases with smaller particles tend to be moving faster at the same temperature, which means they have a higher speed.

Among hydrogen, nitrogen, oxygen and chlorine gas particles, Chas  the smallest particles  will move with the fastest speed.

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what mass of fe2o3 is produced when 27.2 l of o2 gas react with fes at 452 k and 3.86 atm. 4fes(s) 7o2(g)⟶2fe2o3(s) 4so2(g) first, use the ideal gas equation to calculate the moles of o2. ????

Answers

Using the ideal gas equation, the number of mole of O₂ is 2.83 mol.

What is the ideal gas equation?

PV = nRT is the formula for the ideal gas equation. In this equation, P denotes the ideal gas's pressure, V the volume of the ideal gas, n the total amount of ideal gas measured in moles, R the universal gas constant, and T the temperature.

The reaction becomes:

4 FeS (s) + 7O₂ (g) → 2Fe₂O₃ (s) + 4SO₂ (g) .

Volume of O₂ = 27.2 L .

Pressure = 3.86 atm.

Temperature = 452 K .

We have to calculate what mass of Fe₂O₃ will be produced from the given starting material.

We know that,

According to Ideal gas law,

PV = nRT

Where ,

P is pressure

V is volume

n is number of mole.

R is gas constant.

T is temperature.

Now putting the values,

3.86 atm x 27.2 L = n x (0.0821 L.atm/ mol.K) x 452 K

n = 2.83 mol.

So the number of mole of O₂ is 2.83 mol.

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Unlike soap, which is ionic, some liquid laundry detergents are neutral molecules. Explain how each of the following molecules behaves like soap and cleans away dirt.

Answers

Molecules behave like soap and clean away dirt by:

The molecule serves as a catalyst so the dirt and water can bond directly.The molecule ionizes readily. The molecule displaces the dirt by bonding to the clothing. The molecule has a highly polar end and a nonpolar tail.

What kind of molecule is a detergent?

Detergents are amphipathic molecules that contain polar or charged hydrophilic groups (heads) at the end of long lipophilic hydrocarbon groups (tails) (Figure 1). They are also known as surfactants because they decrease the surface tension of water.

Why is detergent more effective than soap?

A soap contains a COO− group, which is capable of dispersing the attractive forces between water molecules, known as "surface tension", but will not be able to do this indefinitely. Detergents on the other hand contain an O−SO3− group with the same ions which can hold this force at bay.

What are the properties of detergent?

Detergents are products containing soap or other surfactants with surfactant properties: wetting property, emulsion (foam), breaking bonds between the dirt and its holder.

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two gases are in a sealed 3.17 l flask. if you have 17.81 grams of ne and 18.81 grams of ar, what is the mole fraction of ar? give your answer in the correct number of significant figures.

Answers

two gases are in a sealed 3.17 l flask. if you have 17.81 grams of ne and 18.81 grams of ar,  the mole fraction of ar is 45.76

How to solve ?

molar mass of ne = 20.18/mole

17.81 / 20.18 = 0.882 moles

molar mass of ar = 39.948/mole

18.81 / 39.948 = 0.470 moles

molar fraction of Ar = 39.948 / 0.882 + 0.470

                                = 45.76

Formula Related to the Mole Fraction ?

Consider a solution that consists of two substances A and B, then the mole fraction of each substance is:Mole fraction of solute =  (Moles of Solute) / (Total number of moles of the solutes and the solvent).= XA = (mol A) / ( mol A + mol B)And= XB = (mol B) / ( mol A + mol B).

What are the Properties of Mole Fraction ?

Because it is temperature independent, it is not affected by changes in temperature. In the case of the mole fraction, it is not required to be aware of the densities of the relevant phases. A mixture with a known mole fraction can be made by subtracting the actual masses of the elements from the total weight. The measure is symmetrical, therefore the roles of "solvent" and "solute" are switched in the mole fractions where x = 0.1 and x = 0.9. A component's mole fraction in a ternary mixture can be stated as a function of the binary mole ratios and mole fractions of the other components.

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a certain metal forms a soluble nitrate salt mno3. suppose the left half cell of a galvanic cell apparatus is filled with a solution of and the right half cell with a solution of the same substance. electrodes made of are dipped into both solutions and a voltmeter is connected between them. the temperature of the apparatus is held constant at .20.0°C.
Which electrode will be positive? Left of Right
What voltage will the voltmeter show? Assume its positive lead is connected to the positive electrode.

Answers

Ans1. Left electrode will be positive because in concentration cell electron moves from lower concentration to higher concentration. Hence right electrode will act as anode and will be negative. Left one will act as cathode and will be positive.

Ans2. For Concentration cell,

Ecell =\frac{-0.0591}{1}\log \frac{0.2}{2}   (Since, it involves one electron)  

= +0.059 V

~ 60 mV.

A conductor used to make electrical contact with a circuit's nonmetallic components is called an electrode. In electrochemical cells, semiconductors like diodes, and medical equipment, electrode are frequently utilized (see Figure 1). Transfer of electrons takes place at the electrode.

Percentage of concentration: It represents how much solute dissolves in 100 g of solvent. If a solution's concentration is 20%, we know that there are 20 g of solute in every 100 g of solution. As an illustration, a solution is made by mixing 10 g of salt and 70 g of water. by % mass, determine the solution's concentration.

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if 6.506.50 l of water vapor at 50.2 °c50.2 °c and 0.1210.121 atm reacts with excess iron, how many grams of iron(iii) oxide will be produced? 2fe(s) 3h2o(g)⟶fe2o3(s) 3h2(g)

Answers

1.57g of iron(iii) oxide will be produced.

What do you mean by ideal gas equation?

The Ideal gas law is the equation of state of a hypothetical ideal gas. It is a good approximation to the behaviour of many gases under many conditions, although it has several limitations. The ideal gas equation can be written as

PV = nRT

Where,

P is the pressure of the ideal gas.

V is the volume of the ideal gas.

n is the amount of ideal gas measured in terms of moles.

R is the universal gas constant.

T is the temperature.

V = 6.50 L

T = 50.2 degree celsius = 50.2 + 273.15 K = 323.35 K

P = 0.121 atm

Using ideal gas equation,

n = PV/ RT = 0.121 atm* 6.50 L / 0.0821 * 323.35 K = 0.0296 mol

0.0296 mol of H20* 1mol Fe2O3 / 3mol H2O * 159.69g of Fe2O3/1 mol Fe2O3= 1.57g

So, 1.57g of iron(iii) oxide will be produced.

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Compound B has molecular formula C6H10 and gives (CH3)2 CUCH2CH2CH3 when treated with excess H2 in the presence of Pd. B reacts with NaNH2 and CH3I to form compound C (molecular formula C7H2).

Answers

The compound B is 3,3-dimethyl-1-butyne, and the compound C is 4,4-dimethyl-2-pentyne.

Alkynes are hydrocarbons that have triple bonds between carbon atoms. CₙH₍₂ₙ₋₂₎ is the typical formula for molecules with one triple bond. Alkynes undergo many of the same reactions as alkenes, but because a triple bond contains two p-bonds, they can react twice.

Here, compound B with the molecular formula C₆H₁₀ is 3,3-dimethyl-1-butyne and compound C is 4,4-dimethyl-2-pentyne. The compound B reacts with sodium amide (NaNH₂) and methyl iodide (CH₃I), giving the compound C. This reaction explains the acidity of non-terminal alkynes.

In this reaction, sodium amide first abstracts the protons from carbon atoms near the triple bond. The resulting carbanions undergo rapid proton transfer equilibria to form a stable terminal alkyne conjugate base.

The reaction is attached.

The complete question is -

Identify the compounds B and C. Compound B has molecular formula C₆H₁₀ and gives (CH₃)₂CHCH₂CH₂CH₃ when treated with excess H₂ in the presence of Pd. B reacts with NaNH₂ and CH₃I to form compound C (molecular formula C₇H₁₂).

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2nahco3 --> h2o (gas) co2 (gas) na2co3 (solid) how many l of gas are produced if 1.00 g. of nahco3 decomposes at 29 degrees c and 769 torr?

Answers

0.375 L of gas are produced if 1.00 g. of nahco3 decomposes at 29 degrees c and 769 torr

From the question, we have

moles=0.011

p=769 torr

v=?

temperature=302K

PV=nRT

V=nRT/P

V=0.11×8.3×302÷769

V=0.375 L

Volume :

The area occupied within an object's limits determines its volume in three dimensions. On occasion, it is referred to as the object's capacity. The volume of an object can be used to calculate how much is needed to fill it; for instance, how much water is needed to fill a bottle, aquarium, or water tank. A sphere is the most basic and prevalent type of three-dimensional shape. We come with spheres all the time in the form of balls, globes, ornamental lights, oranges, etc.

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Directed Reading for Key Terms
Content Mastery
Chemical Reactions
Directions: Unscramble the terms in italics to complete the sentences below. Write the terms on the lines provided.
1. A sonoditecimpo reaction is one in which a substance
breaks down into two or more substances.
(TIL
2. A chemical noqituae describes a chemical reaction using
chemical formulas and other symbols.
3. In an ingrocexe reaction, the amount of energy needed to
break the original bonds is less than the energy released
when new bonds form.
4. In a glinse-spladicetnem reaction, one element replaces
another in a compound.
5. A lamcechi reaction is a change in which one or more
substances are converted into new substances.
6. A snteshisy reaction is one in which two or more
substances combine to form another substance.
7. In an icehomextr reaction, the energy given off is primarily
in the form of heat.
8. The kind of reaction energy that requires energy in the
form of heat is called remdothcine.
9. An orhibint ties up a reactant and prevents it from
undergoing the original reaction.
10. The insoluble compound that forms during a double-
displacement reaction is called a treaticipep.
11. When more energy is required to break bonds than to
form new ones, the reaction in called gonderince.
Javisina
12. The numbers that represent the number of units of each
substance taking part in a reaction are called isceffoticen.
cin
13. A chemical reaction that has the same number of elements
labor neaille on both sides of the equation is deblanac.
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.

Answers

Each of the unscrambled terminologies in italics should be used to complete the sentences as follows;

A decomposition reaction is one in which a substance breaks down into two or more substances.A chemical equation describes a chemical reaction using chemical formulas and other symbols.In an exergonic reaction, the amount of energy needed to break the original bonds is less than the energy released when new bonds form.In a single-displacement reaction, one element replaces another in a compound.A chemical reaction is a change in which one or more substances are converted into new substances.A synthesis reaction is one in which two or more substances combine to form another substance.In an exothermic reaction, the energy given off is primarily in the form of heat.The kind of reaction energy that requires energy in the form of heat is called endothermic.An inhibitor ties up a reactant and prevents it from undergoing the original reaction.The insoluble compound that forms during a double-displacement reaction is called a precipitate.When more energy is required to break bonds than to form new ones, the reaction in called endergonic.The numbers that represent the number of units of each substance taking part in a reaction are called coefficients.A chemical reaction that has the same number of elements on both sides of the equation is balanced.

What is a chemical reaction?

In Science, a chemical reaction can be defined as a chemical process that involves the continuous transformation and rearrangement of the ionic, atomic or molecular structure of a chemical element by breaking down and forming chemical bonds, in order to produce a new chemical compound while new bonds are formed.

What are the types of chemical reactions?

Based on changes in chemical structure, there are five (5) main types of chemical reaction and these include the following;

Double-displacement chemical reaction.Decomposition chemical reaction.Combination chemical reaction.Combustion chemical reaction.Single-displacement chemical reaction.

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a 500-gram mass of iron at 40 degree c is placed into an insulated bucket of 500 grams of water at 20 degree c. estimate the final temperature.

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The final temperature is less than 30 degrees.

Mass, in physics, quantitative measure of inertia, an essential property of all dependents. It's far, in effect, the resistance that a frame of count number gives to a change in its speed or position upon the application of pressure. The more the mass of a frame, the smaller the alternate produced with the aid of a carried-out force.

The unit of mass within the worldwide machine of gadgets (SI) is the kilogram, which is defined in terms of Planck's regular, which is described as equal to 6.62607015 × 10−34 joule 2d squared.

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a 45-g aluminum spoon (specific heat 0.88 j/g °c) at 24 °c is placed in 180 ml (180 g) of water at 85 °c and the temperature of the two become equal. specific heat of water is 4.184 j/g°c. what is the final temperature when the two become equal.

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 T= 81.960C is the final temperature when the two become equal.a 45-g aluminum spoon (specific heat 0.88 j/g °c) at 24 °c is placed in 180 ml (180 g) of water at 85 °c and the temperature of the two become equal. specific heat of water is 4.184 j/g°c.

Natural environments do not contain pure aluminium. Beginning with bauxite ore, which is made up of hydrated aluminum oxide (40% to 60%) combined with silica and iron oxide, the manufacturing of primary aluminum metal can begin. For every 4 to 5 tonnes of bauxite ore, 2 tonnes of alumina are produced. Aluminum corrodes even if it doesn't rust. The metal is kept largely protected from corrosion by the aluminum oxide coating's high resistance and ability to repair itself after injury. It is well known for being both lightweight and flexible, making aluminum a very versatile metal with many benefits. built to accommodate a wide range of uses.We Know that Q= heat  = mCp\DeltaT

where m= mass, Cp = heat capacity, \DeltaT = temperature difference      The heat lost by hot fluid = heat gained by cold fluid

       mhCph\DeltaT = mcCpc\DeltaT

where h and c denote hot(coffee)and cold(aluminium spoon) respectively. Heat capacity of water = 4.2 J(mole*K)= heat capacity of coffee(given), On substituting all the given terms:

           180*4.2*(85-T) = 45*0.88*(T-24)

On Solving,                    T= 81.960C

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what is used in an acid-base titration to indicate the right amount of titrant has been added to an aliquot of the analyte to completely neutralize it

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In an acid-base titration, an indicator is typically used to indicate the endpoint of the titration.

An indicator is a chemical that changes color when a certain pH is reached, usually near the equivalence point of the titration. Common indicators used in acid-base titrations include phenolphthalein, methyl orange, and bromophenol blue.

The indicator is typically added to the analyte solution at the beginning of the titration. When the titrant is added to the analyte, the pH of the solution will gradually increase.

When the amount of titrant added is equal to the amount of analyte, the solution will be neutralized, and the endpoint of the titration (the equivalence point) will be reached. At this point, the indicator will change color, indicating that the titration is complete.

The color change indicates the end point of the titration, and the amount of titrant added is equal to the amount of analyte.

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hydrocarbon gas is 81.7% c and the rest hydrogen by mass. at a temperature of 25°c and a pressure of 1atm, 1.28 g of this gas occupies 0.714 l. what is the molecular formula?

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So the formula is C2H4, hydrocarbon gas is 81.7% c and the rest hydrogen by mass. at a temperature of 25°c and a pressure of 1atm, 1.28 g of this gas occupies 0.714 l.

Purely made of carbon and hydrogen, hydrocarbons are by far the most prevalent substance in crude oil, refined petroleum hydrocarbons (such as gasoline, diesel, kerosene, fuel oil, and lubricating oil), coal tar, creosote, dyestuff, and pyrolysis waste products. The most fundamental class of organic molecules are referred to as hydrocarbons. They only contain the two elements hydrogen and carbon, as implied by their name. In a branching or chain-like arrangement, hydrogen atoms surround one or more central carbon atoms in hydrocarbon molecule.

Carbon : Hydrogen mole ratio =  12

85.7 :14.3= 7 : 14 = 1 : 2

Empirical formula = C H  : empirical formula wt = 14

Given 1 litre at NTP weighs 1.26 g

Therefore 22.4 litres will weigh  = 28 g

n =  14, so the formula is C2H4

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