ammonia chemically reacts with oxygen gas to produce nitric oxide and water . what mass of nitric oxide is produced by the reaction of 1.37g of oxygen gas?

Answers

Answer 1

Nitric oxide weighs 0.77 grams and is created by the reaction of 1.37 grams of ammonia.

What does oxygen contain?

Chemical elements, like oxygen, are compounds that only have one type of atom. An oxygen atom has 8 protons through its nucleus, which is why it has an electron density of eight and the chemical symbol O. At ambient temperatures, oxygen is a colorless, odorless gas.

The equation for the reaction of ammonia and oxygen to produce Nitric oxide and water is,

4NH₃ + 5O₂ → 4NO + 6H₂O

From the reaction we can see,

4 moles of ammonia = 4 moles of nitrix oxide.

Mole of ammonia = moles of nitric oxide.

Moles = reacted/formed mass/ molar mass

Molar mass of ammonia = 17 g/mol.

Molar mass of nitric oxide = 30 g/mol.

Mass of ammonia reacted = 1.37 grams.

Putting values,

1.37 x 17 = Formed mass of nitric oxide x 30

Formed mass of nitric oxide  = 0.77 grams.

The mass of nitric oxide formed is 0.77 grams.

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Related Questions

the combustion of ammonia in the prescne of excess oxygen yield no2 and h2o. how many grams of no2 are produced when 43.9mg of ammonia burn

Answers

The combustion of ammonia in the prescne of excess oxygen yield no2 and h2o. 0.119  grams of no2 are produced when 43.9mg of ammonia burn.

Molar mass of NH3 = 1*MM(N) + 3*MM(H)

= 1*14.01 + 3*1.008

= 17.034 g/mol

mass of NH3 = 0.0439 g

mol of NH3 = (mass)/(molar mass)

= 0.0439/17.034

= 2.577*10^-3 mol

From balanced chemical reaction, we see that

when 4 mol of NH3 reacts, 4 mol of NO2 is formed

mol of NO2 formed = moles of NH3

= 2.577*10^-3 mol

Molar mass of NO2 = 1*MM(N) + 2*MM(O)

= 1*14.01 + 2*16.0

= 46.01 g/mol

mass of NO2 = number of mol * molar mass

= 2.577*10^-3*46.01

= 0.119 g

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g which cofactor participates directly in most of the oxidation-reduction reactions in the fermentation of glucose to lactate?

Answers

NAD+/NADH is the cofactor that participates directly in most of the oxidation-reduction reactions in the fermentation of glucose.

A chemical reaction is a method wherein one or more materials, also called reactants, are transformed into at least one or more special substances, called merchandise. Materials are both chemical elements or compounds.

A few synthesis reactions can result in more than one product. Photosynthesis is one of the maximum important chemical reactions on earth.

Chemical compounds are made from atoms of different elements, joined collectively through chemical bonds. A chemical synthesis normally involves the breaking of existing bonds and the formation of recent ones.

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4.0 mol Na2S can form 4.0 mol Na2SO4
and 5.0 mol CuSO4 can form
5.0 mol Na2SO4. How many moles of
Na2SO4 can form?
[?] mol Na₂SO4
Round your answer to the tenths place.

Answers

Answer:

9.0 mol Na2SO4

Explanation:

Answer: 4

Explanation:

how many liters of a 0.209m ki solution is needed to completly react with 2.43 g of cu(no3)2 according to the balanced chemical reaction

Answers

0.124L of  0.209m ki solution is needed to completely react with 2.43 g of cu(no3)2, by Stoichiometric coefficient

Stoichiometric coefficient is the number written in front of atoms, ion and molecules in a chemical reaction to balance the number of each element on both the reactant and product sides of the equation

Consider the following reaction

aA + bB → cC + dD , This reaction says that for a complete reaction a moles of A will react with b moles of B to produce c moles of C and d moles of D

The balanced reaction for the above given case will be

[tex]2Cu(NO_{3})_{2}[/tex] + [tex]4KI[/tex] → [tex]2CuI[/tex] + [tex]I_{2}[/tex] + [tex]4KNO_{3}[/tex]

2.43 g of Cu(NO3)2 = 1.30 × [tex]10^{-2}[/tex] moles.

Number of moles of KI = 2.60 × [tex]10^{-2}[/tex] moles

To calculate the volume of KI needed, we use the formula

M = n         OR V = n  ⇒ 2.60 × [tex]10^{-2}[/tex]

      V                       M       0.209

V = 0.124L

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a is an instrument used to measure atmospheric pressure specifically in the area of meteorology.

Answers

The instrument used to measure atmospheric pressure specifically in the area of meteorology is Barometer.

A barometer is a scientific instrument used to measure atmospheric pressure, also called barometric pressure. The atmosphere is the layers of air wrapped around Earth. That air has a weight and presses against everything it touches as gravity pulls it to Earth. Barometers measure this pressure. Atmospheric pressure is an indicator of weather. Changes in the atmosphere, including changes in air pressure, affect the weather. Meteorologists use barometers to predict short-term changes in the weather. A barometer measures atmospheric pressure in units of measurement called atmospheres or bars. An atmosphere (atm) is a unit of measurement equal to the average air pressure at sea level at a temperature of 15 degrees Celsius (59 degrees Fahrenheit).

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calculate the most probable speed of an ideal gas of molar mass 34.3 g/mol at 53.7°c. type your answer here

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The most probable speed of an ideal gas of molar mass 34.3 g/mol at 53.7°c is 131735.46 m/s.

The most probable speed of gasoline molecules described through the Maxwell-Boltzmann distribution is the rate at which distribution graph reaches its most. hence, if we recognise the system of this distribution, we just need to differentiate it and take into account the by-product to be identical to zero.

The maximum probable speed is the only which informs approximately the rate possessed with the aid of the most number of molecules of the gas. The most possibly velocity is the most fee on Maxwell's distribution plot. - The common pace is the sum of the speeds of all of the molecules divided by means of the number of molecules.

Calculation:-

molar mass = 34.3 g/mol

temperature = 53.7 °C = 326.7 K

vmp=√2RTM

       = 1.414 × 8.314 × 326.7 × 34.3

       = 131735.46 m/s

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For reaction 2 Mg +0₂ → 2 MgO, if 4.0 g Mg is reacted, how many grams O₂ is reacted?

Answers

The mass of the oxygen that has been reacted is 2.72 g.

What is stoichiometry?

We know that the term stoichiometry has to do with the way that we can be able to obtain the parameter of a reaction by looking at the balanced reaction equation of the reaction as it were.

We can see from the question that the balanced chemical reaction equation  can be written as;  2 Mg +0₂ → 2 MgO

Number of moles of Mg = 4.0 g/24 g/mol

= 0.17 moles

Now;

2 moles of Mg reacted with 1 mole of oxygen

0.17 moles would  now react with 0.17 moles * 1 mole / 2moles

= 0.085 moles

Mass of oxygen reacted =  0.085 moles * 32 g/mol = 2.72 g

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a. how does an enzyme speed up the reaction of a substrate? b. after the products have formed, what happens to the enzyme?

Answers

Enzymes speed up the reaction of the substrate by lowering the activation energy.

Substrates are the substances on which an enzyme act. In enzymes, the substrate interacts with the side chain of amino acids which leads to the formation or breaking of bonds. The interaction of a substrate molecule with an enzyme must occur before it is transformed into a product.  The place of interaction between an enzyme and a substrate is known as an active site.

After the formation of the product, the enzymes remains intact which means they get back to there original form.

Therefore, enzymes speed up the reaction and remain the same after the formation of product.

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Draw a structural formula of an alkene or alkenes (if more than one) that undergo acid-catalyzed hydration and without rearrangement give 1- methylcyclobutanol as the MAJOR product. • You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. • If more than one structure fits the description, draw them all. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. • Separate structures with + signs from the drop-down menu.

Answers

The structure of 1-methyl cyclohexanol is: shown in Fig 1

The reactions for the preparation of 1-methyl cyclohexanol are summarised as: Fig 2

Here In Fig 2, 1-methyl cyclohexene reacts to give 1-methyl cyclohexanol in the presence of water. It proceeds through acid catalysed hydration.

In the Fig 3 reaction, methylene cyclohexane reacts with water to give 1-methyl cyclohexanol. It proceeds through acid catalysed hydration.

Thus, the possible structures of alkene are depicted as: Fig 4

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The town of Natrium, West Virginia, derives its name from the sodium produced in the electrolysis of molten sodium chloride(NaCl) mined from ancient salt deposits. The number of kilowatt-hours of electricity required to produce 4.60kg of metallic sodium from the electrolysis of molten NaCl(s) is_________when the applied emf is 4.50V

Answers

The number of kilowatt-hours of electricity required to produce 4.60kg of metallic sodium from the electrolysis of molten NaCl(s) is 3.13 kWh when the applied emf is 4.50V

An equation for the reaction can be given as follows;

[tex]Na^{+} + e^{-} ---- > Na (s)[/tex]

Hence, the moles of Na is equal to the moles of electron used

Therefore, we can calculate the number of moles of sodium as follows;

No of moles = mass ÷ molar mass

No of moles = 4600 g ÷ 23 g/mol     (As 1 kg = 1000 g)

No of moles =  200 mol

As Q = n × F;  where F represents  Faraday's constant

Q = 200 mol × 96500 C

Q = 19,300,000 mol C

The relation between electrical energy and Q is as follows;

E = Q × V

Now we can substitute the given values into the above formula and then calculate the value of electricity as follows;

E = 19,300,000 × 4.50

E = 86,850,000 J

As 1 J = 2.77 × 10^-7 kWh

Therefore;

86,850,000 ÷ 2.77 × 10^-7  kWh = 3.13 kWh

Hence, we can conclude that 3.13 kilowatt-hours of electricity is required to produce 4.60kg of metallic sodium from the electrolysis of molten NaCl(s)

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brainly a mixture of two gases with a total pressure of 5.60 atm contains 0.40 atm of gas a. what is the partial pressure of gas b?

Answers

The partial pressure of gas B is 5.2 atm.

What do you understand by partial pressure?

When more than one gas is present in a container, each gas exerts pressure, which is known as partial pressure. Its partial pressure refers to the pressure of any gas inside the container.

Let there be n different gases in the mixture, each at a different pressure (P1, P2, etc.)

Then the total pressure will be:

[tex]P_{total}[/tex] = ∑[tex]P_{1}[/tex] + [tex]P_{2}[/tex] + [tex]P_{3}[/tex]

Now, partial pressure of mixture of gas containing gas A = [tex]P_{A}[/tex]

         partial pressure of mixture of gas containing gas B = [tex]P_{B}[/tex]

Total pressure of gas = 5.60 atm

Pressure of gas [tex]P_{A}[/tex] = 0.40 atm

[tex]P_{total}[/tex] = [tex]P_{A}[/tex] + [tex]P_{B}[/tex]

5.60 atm = 0.40 atm + [tex]P_{B}[/tex]

[tex]P_{B}[/tex] = 5.60 - 0.40 = 5.2 atm

So, the partial pressure of gas B is 5.2 atm.

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if a scientist wants to know how many mole of graphene contain 6.71 x 1024 atoms, what is the conversion factor that you will need to use?

Answers

The conversion factor that you will need to use is Avogadro's Number.

What is Avogadro's  number?

The number of units in a mole of any substance, which is determined by its molecular weight in grams, is equal to 6.02214076 1023. Depending on the composition of the substance and the characteristics of the reaction, the units may be electrons, atoms, ions, or molecules.

What is atom?

An atom is a unit of matter that specifically characterizes a chemical element. One or more negatively charged electrons surround the central nucleus of an atom, which is made up of all of them. One or more protons and neutrons, which are relatively heavy particles, can be found in the positively charged nucleus.

Firstly, we will divide the given number of atoms by Avogadro's number to find the number of moles. After finding moles, we will multiply them with molar mass to find the weight of graphene containing given number of atoms.

Therefore, conversion factor that you will need to use is Avogadro's Number.

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Ni(s)→Ni2+(aq)+2e−
Ag+(aq)+e−→Ag(s)
Which of the following is the balanced net ionic equation for an oxidation-reduction reaction between Ag+(aq) and Ni(s)based on the half-reactions represented above?

Answers

2Ag+(aq)+Ni(s)→2Ag(s)+Ni2+(aq)2Ag+(aq)+Ni(s)→2Ag(s)+Ni2+(aq).

Ni (s), Ni+2 (aq), and two e- As the Ni releases two electrons to form Ni+2, the Silver ion must accept two electrons to balance the net reaction, therefore two silver ions will absorb two electrons to form silver. 2 e- 2 Ag + 2 Ag+ (aq) (s).

What is Redox reaction?

Redox reactions are oxidation-reduction chemical processes in which the oxidation states of the reactants change. Redox is a shortened version of reduction-oxidation. Two distinct processes—a reduction process and an oxidation process—can be used to describe all redox reactions.

Redox or Oxidation-Reduction processes always involve simultaneous oxidation and reduction reactions. In a chemical reaction, the material that is being reduced is referred to as the reducing agent, while the substance that is being oxidized is the oxidizing agent.

A chemical process in which electrons are moved between two reactants is referred to as a redox reaction. The alteration in the oxidation states of the reacting species can be used to pinpoint this electron transfer.

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what is the energy released in the alpha decay of 238 92u? the mass of 234 90th is 234.044 u, of 238 92u 238.051 u, of 4 2he 4.0026 u and 1 u

Answers

The energy released inside the alpha decay for 238 92u is 5.5862 MeV in this equation.

What is energy in Example?

Energy can take on a variety of shapes. Examples of these include: electric power, sound energy, energy source, nuclear or atomic energy, light energy, generate heat, mechanical energy, gravity force, and so on. Each form has the potential to migrate or transform into the others. Because it's a basic human necessity, energy plays a major role in our daily lives. Our human-made structures are not only heated by energy, but also cooled by it.

Briefing:

The deterioration is spelled as ²³⁸Pu→²³⁴U+⁴He

Its energy released, or its Q value, is provided by

Q=[238.04955−234.04095−4.002603]c(2)u

=0.005997×931.5MeV

=5.5862 MeV.

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list the addition reactions of alkenes and alkynes. what similarities do you see in the addition reactions? do you notice any differences?

Answers

The list the addition reactions of alkenes and alkynes are as follows:

Addition Reactions of Alkenes:

1. Halogenation: Alkenes react with halogens to form halohydrins.

2. Hydration: Alkenes react with water to form alcohols in the presence of an acid catalyst.

3. Hydrohalogenation: Alkenes react with hydrogen halides to form alkyl halides.

4. Hydrogenation: Alkenes react with hydrogen in the presence of a metal catalyst to form alkanes.

5. Hydroboration-Oxidation: Alkenes react with borane to form alcohols.

Addition Reactions of Alkynes:

1. Halogenation: Alkynes react with halogens to form dihalides.

2. Hydration: Alkynes react with water to form ketones in the presence of an acid catalyst.

3. Hydrohalogenation: Alkynes react with hydrogen halides to form alkyl halides.

4. Hydrogenation: Alkynes react with hydrogen in the presence of a metal catalyst to form alkanes.

5. Hydroboration-Oxidation: Alkynes react with borane to form aldehydes.

Similarities: Both alkenes and alkynes undergo the same types of addition reactions.

Differences: The products of the addition reactions are different depending on the type of compound being reacted. For example, alkenes form alcohols when reacted with water, while alkynes form ketones.

What do you mean by Alkynes?

Alkynes are a group of hydrocarbons that contain at least one triple bond between two carbon atoms. They are also known as acetylenes and are unsaturated hydrocarbons with the general chemical formula of CnH2n-2.

What do you mean by Alkenes?

Alkenes are a class of hydrocarbons characterized by a carbon–carbon double bond. They are typically colorless, flammable, gases or liquids with a sweet odor. Alkenes are a major component of gasoline and are used in the manufacture of plastics and other industrial materials.

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consider the reaction below. predict which reaction type is likely to occur. a) sn1 b) sn2 c) e1 d) e2 e) no reaction

Answers

B. SN2

A chemical reaction is a method wherein one or more materials, also called reactants, are transformed into at least one or more special substances, called merchandise. Materials are both chemical elements or compounds.

A few synthesis reactions can result in more than one product. Photosynthesis is one of the maximum important chemical reactions on earth. It allows plants and a few microbes to transform water and carbon dioxide gas into storable sugar and oxygen.

Chemical compounds are made from atoms of different elements, joined collectively through chemical bonds. A chemical synthesis normally involves the breaking of existing bonds and the formation of recent ones.

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Many organic reactions involve more than a single step. A reactive species that formed in one step and used up in the next is called a reactive _____. Such a reactive species can sometimes be isolated, even though it may be short-lived, unlike the ____ state, which is the unstable energy maximum for each step.

Answers

A reactive species that formed in one step and used up in the next is called a reactive intermediate.  Such a reactive species can sometimes be isolated, even though it may be short-lived, unlike the transition state.

A certain configuration along the reaction coordinate constitutes the transition state of a chemical reaction. It is described as the condition corresponding to the maximum potential energy along this reaction coordinate. When a molecule is in a transitional state, it is neither a substrate nor a product. The transition state, an unstable structure that exists between the chemical structures of substrates and products, is the first step in every chemical transformation.

A short-lived, highly reactive molecule with high energy is known as a reactive intermediate or an intermediate. It swiftly transforms into a more stable molecule when produced in a chemical process. These chemicals can only be isolated and kept in storage under rare circumstances. Carbocation, carbanion, and the free radical are the three reactive intermediates.

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The yield of a chemical process is being studied. From previous experience, yield is known to be normally distributed and σ=3 . The past five days of plant operation have resulted in the following percent yields: 91.6, 88.75, 90.8, 89.95, and 91.3.
a. Find a 95% two-sided confidence interval on the true mean yield. b. Find a 95% upper level confidence interval on the true mean yield. c. How many samples of yield is needed to obtain a 95% two-sided confidence interval with width 1? d. If we don't know the value of σ , how would the 95% two-sided confidence interval be?

Answers

The two-sided confidence interval is (87.85 ≤ μ ≤ 93.11) , with 87.85 being the lower level and 93.11 being the upper level.

What is a yield in an experiment?

The amount of product you actually get after doing an experiment is known as the experimental yield. Calculating the % yield will show you how much of the theoretical yield you actually achieved in a particular experiment. The quantity of pure and dry product produced in a chemical reaction is known as the reaction yield (absolute yield). The relative or percentage yield (%) is typically determined in order to assess the effectiveness of a chemical process in organic synthesis.

How is the yield of a chemical reaction determined?

The percent yield can be calculated by applying the following formula:%yield = (actual yield/theoretical yield) x 100.

Brifieng:

Step-by-step explanation:

Given the data:

91.6, 88.75, 90.8, 89.95, 91.3

Mean, m = Σx / n

n = sample size = 5

Mean = 452.4 / 5 = 90.48

Standard deviation, σ = 3

Zcritical at 95% = 1.96

Confidence interval :

Mean ± Error margin

Error margin = Zcritical*σ/sqrt

Error margin = 1.96 * 3/sqrt(5)

Error margin = 2.630

Lower boundary : 90.48 - 2.630 = 87.85

Upper boundary : 90.48 + 2.630 = 93.11

(87.85 ; 93.11)

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true or false: if you followed a single carbon atom in a glucose molecule that goes through cellular respiration, you could eventually find that carbon atom in a molecule of carbon dioxide.

Answers

True, if you followed a single carbon atom in a glucose molecule that goes through cellular respiration, you could eventually find that carbon atom in a molecule of carbon dioxide.

This is where the citric acid metabolic pathways of cellular respiration occur. After the glycolysis process happens in cell cytoplasm to form pyruvate from glucose molecules, the pyruvate is converted to acetyl-CoA that enters the mitochondria for the TCA cycle. The TCA produces more ATPs from the energy molecule. The carbon atoms will ultimately be expelled from the cell as carbon dioxide.

Reaction involved: (glucose) C₆H₁₂O₆ (s) + 6 O₂ (g) → 6 CO₂ (g) + 6 H₂O (l) + heat energy

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the balance of aluminum is 3 in the balance of chlorine is 921 the formula for aluminum chloride is correctly written as

Answers

The formula for aluminum chloride is correctly written as AlCl₃.

What is aluminum chloride?

Chemically speaking, aluminum chloride has the formula AlCl3. It frequently exhibits a yellow hue when polluted with iron chloride as opposed to the white of the pure product. Lewis bases are employed in a variety of chemical processes; the most often utilized Lewis acid is anhydrous aluminum trichloride.

Excessive perspiration can be managed with aluminum chloride (a LOO minum klor ide). Other use for this medication are possible.

Therefore,  The formula for aluminum chloride is correctly written as AlCl₃.

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how many grams of sodium chloride are there in 550.0 ml of a 1.90 m aqueous solution of sodium chloride? question 28 options: 6.11 × 104 61.1 30.5 1.05 122

Answers

61.1 grams of sodium chloride.

Molar concentration is a unit of measurement for the concentration of a chemical species, specifically a solute, in a solution, expressed as the amount of substance per unit volume of solution. The most commonly used unit for molarity in chemistry is the number of moles per liter, denoted by the unit symbol mol/L or mol/dm³ in SI units.

Molarity (M) is the most commonly used unit of solution concentration and is defined as the amount of solute in moles divided by the volume of solution in liters:

M = moles of solute/liters of solution.

A mole is a unit of measurement for a chemical substance, from which the term "molarity" derives.

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a bottle of perfume is dropped in the corner of a room; the scent can be detected everywhere gas law

Answers

A bottle of perfume is dropped in the corner of a room,  the scent can be detected everywhere because of diffusion.

If a perfume bottle is opened in the corner at a room, the scent can be detected everywhere on the room because of the diffusion. Diffusion can be defined as the movement of the particles from the higher area to the lower concentration area.

Thus, The gas in the perfume bottle is at the higher concentration in the bottle and when we opened the bottle the gas present in the form of perfume travel from higher concentration to the lower concentration.

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two aqueous solutions are mixed in the calorimeter shown to determine the heat of the reaction. after measuring the change in temperature of the water bath, what equation do we use to determine the amount of heat transferred?

Answers

two aqueous solutions are mixed in the calorimeter shown to determine the heat of the reaction. after measuring the change in temperature of the water bath, the equation used is q = c*m*(change in temperature).

A calorimeter is a device used in calorimetry, a procedure for calculating heat capacity and measuring the heat of chemical processes or other physical changes. Among the most popular kinds are differential scanning calorimeters, isothermal micro calorimeters, titration calorimeters, and accelerated rate calorimeters.

It can be used to measure change on the temperature, ultimately helping in calculating heat transferred.

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How many moles of propane react when 294 g of CO2 form?
C3H8+5O2 ->3CO2+4H2O
? 1 mol C3H8 ]

Answers

The number of moles of propane that reacts when 294g of carbondioxide forms is 2.23 moles.

How to calculate moles using stoichiometry?

Stoichiometry is the study and calculation of quantitative (measurable) relationships of the reactants and products in chemical reactions (chemical equations).

According to this question, propane gas undergoes a combustion reaction with oxygen to form carbondioxide and water as follows:

C₃H₈ + 5O₂ → 3CO₂ + 4H₂O

Based on the balanced equation above, 1 mole of propane is required to produce 3 moles of carbondioxide.

moles of carbondioxide = 294g ÷ 44g/mol = 6.68mol

moles of propane needed = 6.68 × ⅓ = 2.23moles

Therefore, 2.23 moles of propane is required to produce 294g of carbondioxide.

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consider equimolar samples of different ideal gases at the same volume and temperature. gas a has a higher molar mass than gas b. compare the pressures. a>b a

Answers

pressure: A>B, RMS: A<B, kinetic energies: A=B

Does the volume of gases differ?

All perfect gases would have the same molarity since they have same number density.It'll be 22.4 L at STP.This is helpful if you really want to visualize the separation of molecules in various samples.

Why are gas volumes the same?

According to Avogadro's hypothesis, all gases have an equal number of particles in an equal volume at a given temperature and pressure.The actual particle size themselves is almost negligible because the majority of a gas's volume is made up of the void space between its particles.

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draw both enolates formed when the ketone is treated with base. include charges. draw the oxyanion species; do not draw carbanion resonance forms. the starting material is a carbonyl bonded to a methyl and an ethyl group. this forms enolate 1 and enolate 2.

Answers

This is an illustration of asymmetric ketone deprotonation. Here, there are two potential outcomes.

What is Thermodynamic Product?
Thermodynamic product
is a term used in thermodynamics to refer to the end product of a thermodynamic process. It is the state of the system at the end of the process, which has been changed from its initial state by the application of energy. The thermodynamic product is usually a combination of heat and work, which is released by the system in the form of energy. The thermodynamic product is also known as the final state of the system, which is determined by the total of the energy and mass that enter or leave the system during the process. It is also important to understand that thermodynamic products are not necessarily the desired end result of a process, and that the thermodynamic process can produce a variety of different outcomes depending on the nature of the process.

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Mg2+
Draw the Lewis dot structure for Mg2+. Show the charge. To change the symbol of an atom, double-click on the atom and enter the letter of the new atom.

Answers

In the two outermost orbitals of magnesium atoms, there are two electrons. In order to become Mg2+, an atom can shed two electrons.

Dots of electrons are represented as Lewis structures, sometimes known as Lewis symbols. In order to create the magnesium ion, or Mg2+, two electrons are supplied by the Mg atom.

As opposed to Mg2+, whose electronic configuration was discovered to be 1s2 2s2 2p6, which has the electron density of Mg as 1s2 2s2 2p6. Magnesium has a 12 atomic number.

Create a Lewis electronic band diagram by picturing the sign for mg inside a box that contains all of the core electrons. The valence electrons are then positioned so that the greatest energy level orbital on each of the box's sides corresponds to their placement.Eight electrons from the Mg2+ ion occupy the empty space in the second orbital.

Here, it should be noted that this ion possesses 8 electrons and a 2 valence shell. As a result, the Lewis structure includes eight points, and because it is a charged molecule, it is also necessary to mention the net charge. Consequently, Mg2Lewis +'s structure.

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Which substance should have its atmospheric concentrations reduced in order to return acid rain to rain's normal ph?.

Answers

To restore acid rain to its natural pH, Sulphur should be present in lower proportions in the atmosphere. Sulphur dioxide emissions mixed with nitrogen oxide emissions cause acid rain.

Both substances interact with airborne molecules including water, oxygen, and other molecules to produce this effect. Particularly when it comes to aquatic life, this phenomena is exceedingly hazardous for both people and other animals and plants. For example, the elevated pH prevents several kinds of freshwater fish from developing or growing. When the pH is even lower, however, in some situations, the organisms are unable to survive and eventually perish. Therefore, a decrease in atmospheric Sulphur concentrations could lessen acid rain and bring rain back to its normal pH in the atmosphere.

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1. what is the composition in weight percent of an alloy that consists of 94.1 at% ag and 5.9 at% cu? the atomic weights of ag and cu are 107.87 g/mol and 63.55 g/mol, respectively:

Answers

Alloy is a substance formed from the combination of two or more metals. It can be combinations of other elements also. To determine the chemical composition of an alloy (or any metal) are X-ray fluorescence spectroscopy (XRF) and optical emission spectroscopy (OES) are the two main methods used.  

How to find weight composition of an alloy?

Given data

The composition of alloy is:

CAg=94.1%, Ag=0.941C

Ccu=5.9%, Cu=0.059C

The atomic weight of Ag is: WAg=107.87g/mol

The atomic weight of Cu is: WCu=63.55g/mol

The percentage composition for Ag.

PCAg=CAgWAgCAgWAg+CCuWCu×100PCAg=CAgWAgCAgWAg+CCuWCu×100

Substitute the given value.

PCAg=0.941×107.87g/mol0.941×107.87g/mol+0.059×63.55g/mol×100

=96.43%PCAg

=0.941×107.87g/mol0.941×107.87g/mol+0.059×63.55g/mol×100

Thus main answer is =96.43%

The percentage composition for Cu.

PCCu=CCuWCuCAgWAg+CCuWCu×100PCCu=CCuWCuCAgWAg+CCuWCu×100

Substitute the given value.

PCCu=0.059×63.55g/mol0.941×107.87g/mol+0.059×63.55g/mol×100

=3.56%PCCu

=0.059×63.55g/mol0.941×107.87g/mol+0.059×63.55g/mol×100

Thus, main answer is =3.56%

Thus, the percentage composition of Ag is 96.43%96.43% and percentage composition of Cu is 3.56%3.56%.

So, the option (b) is correct.

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If the density of carbon tetrachloride is 0. 793 g/ml, and a sample has a volume of 9. 29 ml, what is the mass?.

Answers

If the density of carbon tetrachloride is 0. 793 g/ml, and a sampl.e has a volume of 9. 29 ml the mass is 7.367 g

For CCl4

Density of carbon tetrachloride = 0.793 g/ml

Volume of sample = 9.29ml

mass = density * volume = 0.793 × 9.29 = 7.367 g

The chemical name for carbon tetrachloride, sometimes referred to as tetrachloromethane and recognized by the IUPAC, carbon tet in the cleaning business, Halon-104 in firefighting, and Refrigerant-10 in HVACR, is CCl4. It is an organic compound. It has an indistinct color and a just perceptible "sweet" odor. At lower temperatures, it is almost incombustible. Prior to being phased out because to environmental and safety concerns, it was frequently used in fire extinguishers, as a predecessor to refrigerants, and as a cleaning agent. The central nervous system can be impacted as well as the liver and kidneys when exposed to high amounts of carbon tetrachloride, particularly its vapor. An extended exposure risk can be lethal.

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