What mass of CO2 will be produced when 25.0 g of C8H18 react completely in the following equation? C8H18 + 25 O2 --> 16 CO2 + 18 H2O

There are two types of chemical compound one is covalent compound and other is ionic compound, covalent compound formed by sharing of electron and ionic compound formed by complete transfer of electron. Therefore, the the IUPAC name for N[tex]_2[/tex]O is nitrous oxide.

Chemical Compound is a combination of molecule, Molecule forms by combination of element and element forms by combination of atoms in fixed proportion.

An ionic compound is a metal and nonmetal combined compound.  Ionic compound are very hard. They have high melting and boiling point because of strong ion bond.

N[tex]_2[/tex]O, also known as laughing gas, is commonly used by dentists as a sedative and pain reliever during dental procedures. The IUPAC name for N[tex]_2[/tex]O is nitrous oxide.

Therefore, the the IUPAC name for N[tex]_2[/tex]O is nitrous oxide.

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Answer: 1. dinitrogen monoxide ( iupac name for N2O)

              2.nitrous oxide (common name for N3O)

Explanation:

Stars form in large, dense regions of gas and dust known as molecular clouds. These clouds are located primarily in the spiral arms of galaxies, where they are exposed to intense radiation from nearby stars. As the gas and dust in these clouds are subjected to this radiation, they begin to collapse under their own gravity. As the collapse continues, the cloud becomes denser and denser, and eventually a protostar forms at its center. Over time, this protostar continues to contract and heat up, eventually reaching the point where nuclear fusion can begin in its core. At this point, the protostar becomes a fully-fledged star, and the process of star formation is complete.

TL;DR: Within the clouds of dust and scattered throughout most galaxies.

Answer: none

Explanation:none

The chemical reaction is fe2+ Pt(s) ∣ fe3+ (aq) ∣∣cr2O²-7(aq),cr+3(aq) ∣ Pt(s)

Reaction where particular set of chemicals changes into another form without changing their nuclei just the transfer or sharing of electrons and formation and breaking of bonds is called as chemical reaction.

cr-2 7​ (aq)+ 14H+(aq)+ 6fe2+(aq)⟶6fe+3(aq)+2cr+3 (aq)+7h2 O(l)

Here,  cr+6 2 02-7  (aq) is reduced to  cr+3  (aq)

& fe+2 (aq) is oxidized to fe+3 (aq)

Reducing takes place at cathode & oxidation takes place at anode.

The cell is represented by anode on the left hand side of electrolyte bridge & cathode on the right hand side of electrolyte bridge.

∴  It can be represented as :

Pt(s) ∣ fe 3 + (aq)fe2+ (aq) ∣∣ cr2 o2-  7(aq),cr+3 (aq) ∣ Pt(s)

The complete question is : The cell reaction cr2 O2(aq)+14H+aq)+ 6fe2+(aq)→ 6fe3+(aq)+ (aq)+7H2 O(l), is best represented by:

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Answer: Chorine's atomic radius in larger than that of Argon.

Explanation: Thinking in terms of atomic radius, as you move from left to right on the periodic table, atomic radius decreases. However, as you move from top to bottom on the periodic table, the atomic radius increases. This is because when you are moving from top to bottom on the periodic table, more orbitals are added. When you move from left to right, the number of orbitals remains the same but the number of protons in the nucleus is still increasing. They have a stronger hold on the electrons and pull them closer. This also makes it harder for outside photons to remove an electron from an atom (ionization energy) as you move from left to right on the periodic table.

Now let's think about chlorine and argon. They are right next to each other in the upper right-hand corner of the periodic table. However, chlorine does come first and if we think back to the atomic radius, it gets smaller as you move from left to right. Chlorine comes before Argon when looking left to right.

In conclusion, chorine's atomic radius is larger than that of argon.

Answer: Best way is Electronegativity.

Explanation:

Comparing the electronegativities of the two elements is one method of predicting the type of bond that will form between them. Ionic bonds typically result from significant differences in electronegativity, whereas covalent bonds typically result from smaller differences.

The kind of covalent bond that forms between two atoms depends on how many pairs of electrons are shared by them. There are some factors that determine the type of bonds.

Simply how they share electrons makes a difference between different binding kinds. Ionic bonds don't share at all, polar bonds share unevenly, and covalent bonds share equally. Following are the variables that affect the kind of bond that will form between two atoms:

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Ideal gas law is valid only for ideal gas not for vanderwaal gas. To solve such, we need to know the relation between rate of effusion and molar mass of gases. Therefore, the molar mass of unknown gas is 53.6g/mol.

Ideal gas equation is the mathematical expression that relates pressure volume and temperature.

Mathematically the relation between rate of effusion of gases and their molar masses can be given as:

rate of effusion of unknown gas/rate of effusion of carbon dioxide gas=√molar mass of carbon dioxide/molar mass of particular gas

rate of effusion of carbon dioxide=1.087 ×rate of effusion of unknown gas

Substituting all the given values we get

rate of effusion of unknown gas÷ 1.087 ×rate of effusion of unknown gas=√44 g/mol÷ molar mass of unknown gas

1÷  1.087=√44 g/mol÷ molar mass of unknown gas

squaring both side

0.82=44 g/mol÷ molar mass of unknown gas

molar mass of unknown gas= 53.6g/mol

Therefore, the molar mass of unknown gas is 53.6g/mol

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Answer:

It is based on the boiling point or volatility of its components.

Explanation:

because Distillation separates liquid from solid.

In the given diagram of photosynthesis:

1. Carbon dioxide CO₂

2. Glucose C₆H₁₂O₆

3. ATP

Photosynthesis can be described as a process by which phototrophs convert light into chemical energy. This chemical energy is stored in the form of sugars, which are generated from water and carbon dioxide.

Photosynthesis reaction involves carbon dioxide and water which yield two products oxygen and glucose. Therefore, the photosynthesis reaction is said to be an endothermic reaction.

[tex]6CO_2 + 6H_2O \longrightarrow C_6H_{12}O_6 + 6O_2[/tex]

Photosynthesis takes place when plants use light energy to transform carbon dioxide gas and water into glucose and oxygen gas. Each chloroplast in plants contains a green-colored pigment known as chlorophyll. Sunlight is absorbed by chlorophyll whereas carbon dioxide and oxygen enter via the tiny pores of the stomata of leaves.

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Answer: 0.375L

Explanation: Using M1V1=M2V2, we can solve for V1.

12M*V1=1.5M*3.0L

V1 = [tex]\frac{1.5M*3.0L}{12M}[/tex]

V1 = 0.375L.

0.375 L volume of the solution she needed to prepare 3.0 L of a 1.5 M HCl solution.

A homogenous mixture of one or more solutes that have been dissolved in a solvent is known as a solution. The material that a solute dissolves in to create a homogenous mixture is known as a solvent.

The component that dissolves in a solvent to create a homogenous mixture is known as a solute.

M₁ is the initial concentration of HCl solution = 12.0 M

V₁ is the volume of initial HCl solution that is needed

M₂ is the final concentration of HCl solution = 1.5 M

V₂  is the final volume of HCl solution to be prepared = 3.0 L

To find V₁, we get

V₁ = (M₂ V₂) / M₁

calculating the values, we will get:

V₁ = 1.5 M x 3.0 L / 12.0 M

= 0.375 L

Therefore, tech required to take 0.375 L of the 12.0 M HCl solution and dilute it to  3.0 L to make a 1.5 M HCl solution.

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The chemical formula of aspartame is C₁₄H₁₈N₂O₅ and it's relative molecular mass is 294.30 g/mol which is calculated as (12×14)+(1×18)+(14×2)+(16×5).

Molecular  mass of a compound or a molecule is defined as the mass of the elements which are present in it.The molecular mass is considered to be a bulk quantity not a molecular quantity. It is often an average of the of the masses at many instances.

The molar mass and formula mass are used as synonym for the molecular mass.It does not depend on the amount of substance which is present in the sample.It has units of gram/mole.

Molecular masses of an element are given as relative atomic masses while that of compounds is the sum of relative atomic masses which are present in the compound.In case of aspartame it is calculated as,(12×14)+(1×18)+(14×2)+(16×5)=294.30 g/mol.

Thus , relative molecular mass or molecular mass of aspartame is 294.30 g/mol.

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Answer:

Explanation:

Smoking a cigarette, snorting cocaine, or drinking yourself into oblivion are all easy habits to adopt because they light up your brain with the neurotransmitter …

Answer:

[tex] \huge{ \boxed{2.0468 \times {10}^{22} \: \text{atoms} }}[/tex]

Explanation:

To find the number of entities in a given substance we use the formula

[tex] \bold{N = n \times L} [/tex]

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question

n = 0.034 moles

N = 0.034 × 6.02 × 10²³ = 2.0468 × 10²²

We have the final answer as

[tex] \bold{2.0468 \times {10}^{22} \: \text{atoms}}[/tex]

Answer:

varying altitude and latitude create unequal heating of Earth's atmosphere

Explanation:

the higher you are, the colder it is(most of the time)

and latitude determines how close you are to the poles, the closer the cooler

Explanation:

no. of H atoms is 12..

no of C atoms is 5....

all the C atoms are sharing a bond with each other and so are H atoms...

Photosynthesis may help reduce global warming because the carbon dioxide is consumed during the process.

Global warming has to do with an increase in the average global temperature brought about by the increase in the concentration of greenhouse gases in the atmosphere.

The greenhouse gases form a layer that traps reflected solar radiation in the atmosphere. They prevent these radiations from returning back to space and consequently, the temperature of the planet keeps increasing. The more the concentration of these gases in the atmosphere, the more the warming increases.

Carbon dioxide gas represents a major component of greenhouse gases and has been the main culprit in global warming.

During photosynthesis, carbon dioxide is utilized by green plants to make carbohydrates. Thus, photosynthesis remains a major way through which the concentration of carbon dioxide in the atmosphere can be reduced and consequently reduce global warming.

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The molality of the solution is  -11.34 m/kg. The number of moles of solute in a solution equal to 1 kg or 1000 g of solvent is referred to as its molality.

The number of moles of solute in a solution equal to 1 kg or 1000 g of solvent is referred to as its molality. The definition of molarity, on the other hand, is based on a certain volume of solution. Mol/kg is a typical molality measurement unit in chemistry.

While a solution's molarity is determined by the moles of solute divided by the volume of the solution in litres, a solution's molality is determined by the moles of solute divided by the mass of the solvent in kilogrammes.

Colligative property:  freezing point depression.

ΔT = Kf. m

ΔT = T°fussion pure solvent - T° fussion solution

Kf = depression constant for water

0°C - (21.1°C) = 1.86 °C/m . m

-21.1°C = 1.86°C/m . m

-21.1°C / 1.86° m/°C = m  → -11.34 m/kg

The molality of the solution is -11.34 m/kg

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Explanation:

The final volume will be 100 mL. This is because when you dilute a solution, the molarity of the solution decreases while the volume increases. Since the molarity of the original solution is 11.5 M and the desired molarity is 1.10 M, the volume must increase by a factor of 10.5 (11.5/1.10). Therefore, the final volume will be 10.0 mL x 10.5 = 100 mL.

The synthesis of the ATP takes place in the organelle known as the mitochondrion. Therefore, option (A) is correct.

Mitochondrion can be described as the membrane-bound organelles in the cytoplasm of all eukaryotic cells, that synthesize adenosine triphosphate (ATP), the main energy source used by the cell.

It is also known as the “Powerhouse of the cell,” Mitochondrion is found inside the cytoplasm and essentially functions as the cell’s digestive system.

Mitochondrion plays a major role in breaking down nutrients and producing energy-rich molecules for the cell. Many of the biochemical reactions in cellular respiration occur within the mitochondria.

The mitochondrion's structure can be described as a double-membraned, rod-shaped structure found in both animal cells and plants.

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Answer:

symmetric

Explanation:

The compound 2,3-dimethyl-2-heptene is symmetric. A compound is symmetric if it has an identical molecular structure on both sides of its central axis. In the case of 2,3-dimethyl-2-heptene, the molecule has a central carbon atom with two methyl groups attached to it, one on the 2nd position and one on the 3rd position. Because the groups attached to the central carbon atom are identical, the molecule is symmetric.

In contrast, an asymmetric compound has a molecular structure that is different on each side of its central axis. For example, a compound with a central carbon atom attached to two different groups, such as a methyl group and a hydrogen atom, would be asymmetric.

89.08 g/mol is the molar mass of an unknown gas with a density of 14.1 g/L at 4.00 atm and 35.0 °C.

We know that

PV=nRT.

where,

P = Pressure of the gas

V = Volume of the gas

n = Mole

Mole = Given mass/Molar mass

= m /Mw

R = Real gas constant = .08205 L atm/mole k

T = temperature

Now,

PV = mRT/Mw

Mw= mRT/PV. ( m/V=density)

Mw = dRT/P

Mw = 14.1 g/L × 0.08205 × 308/4

Mw = 89.08 g/mol

Hence we can say that Molar mass is 89.08 g/mol.

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The rate of effusion of CO at 2.00 atm in the same container would be 1.74 mL/min.

According to Graham's law of effusion of gases, at constant pressure, the rate of effusion of gases is inversely proportional to the square root of their molar masses.  

Graham's law of effusion of gases can be mathematically represented as:

[tex]r_1/r_2[/tex] = [tex]\sqrt\frac{Mm_2}{Mm_1}[/tex]

Where [tex]r_1[/tex] and [tex]r_2[/tex] are effusion rates of gas 1 and gas 2, and [tex]Mm_1[/tex] and [tex]Mm_2[/tex] are their molar masses respectively.

In this case:

Gas 1 = CH

Molar mass of CH = 12 + 1 = 13 g/mol

[tex]r_1[/tex] = 2.55

Gas 2 = CO

Molar mass = 12 + 16 = 28 g/mol

[tex]r_2[/tex] = ?

Making [tex]r_2[/tex] the subject of the formula and substituting the values into the equation:

2.55/[tex]r_2[/tex] = [tex]\sqrt\frac{28}{13}[/tex]

2.55/[tex]r_2[/tex] = 1.4676

[tex]r_2[/tex]        = 2.55/1.4676

          = 1.74 mL/min

In other words, the rate of effusion of CO at 2.00 atm in the same container would be 1.74 mL/min.

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The radioactive element plutonium  undergo radioactive bombardment producing stable isotope curium. The balanced nuclear reaction is written below:

[tex]_{94}^{239}\textrm{Pu} + _{2}^{4}\textrm{He}\rightarrow _{96}^{241}\textrm{Cm} + 2_{0}^{1}\textrm{n}[/tex]

Atomic nucleus undergoes reaction with charged particles producing either its isotope or a new atom. Heavy unstable atoms such as actinides undergo radioactive decay by emitting or bombarding charged species such as alpha particles to form stable species.

Plutonium is 94th element in periodic table. It is used as nuclear fuel because it releases energy during nuclear reactions. Bombardment of an alpha particle produces a curium (Z = 96, A =241) with two neutrons as side products.

Therefore the balanced nuclear reaction of Pu-239 to produce Cm-241 is written as below:

[tex]_{94}^{239}\textrm{Pu} + _{2}^{4}\textrm{He}\rightarrow _{96}^{241}\textrm{Cm} + 2_{0}^{1}\textrm{n}[/tex]

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In this chemical equation below 2Mg + HCI are called the reactants. Therefore, option (4) is correct.

A chemical equation can be defined as a representation of a chemical reaction with help of chemical symbols, and molecular formulae of the substances. A chemical equation exhibits reactants participating, formed products in the reaction, and an arrow shows the direction of the chemical reaction.

The chemical equation in which the number of atoms of each element on either side of the equation should be equal is called a balanced chemical equation.

A chemical equation obeys the law of conservation of mass.  By obeying this law,  in a balanced chemical equation, the total mass on the reactant side must be equal to total mass on the product side.

In the given chemical equation, Mg and HCl are reactants and MgCl₂and H₂ are products.

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The chirality of the enzyme ensures that a chiral product is obtained.

The term chirality could be simplified to mean "handedness". This idea comes from the fact that a compound could be handed. The handed of aa molecule has to do with the direction to which it rotates plane polarized. As such a compound could be left handed or right handed.

Now, we are told that the product of the enzyme is chiral. This is because the enzyme is also chiral and its shape can only lock into the particular chiral reactant and this is what does give rise to the chiral product.

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Answer:

Explanation:

1,2,4,

The equations that show combustion are equations A, B and D.

When we talk about combustion, the idea is that the substance would be burnt in oxygen. In other words, the combustion can be taken to be an oxidation reaction. It is an oxidation reaction in the sense that the oxidation number of the substance that is reacting with the oxygen would become increased.

When we look at the equations that we have, it is quite easy to pick out among the balanced reaction equations that are shown here the ones that has to do with the burning of the substance in oxygen and a consequent rise in the oxidation number.

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The final mass concentration of salt in the solution in g/l is 36.06 g/L.

The mass concentration of the mixture of the two salt solutions is calculated as follows:

Concentration of solution 1 = 15 g/l

mass of salt in the 250 mL solution = 15 g/l * 250 mL * 1 L/1000 mL

mass of salt in the 250 mL solution = 3.75 g

Concentration of solution = 6% (m/v)

This means that in 100 mL solution, 6 g of salt in present.

In 1000 mL or 1 L solution, 60 g of salt will be present.

Hence, the concentration of solution = 60 g/L

mass of salt in the 220 mL solution = 60 g/l * 220 mL * 1 L/1000 mL

mass of salt in the 220 mL solution = 13.2 g

Total mass of salt in the mixture = 16.95 g

Total volume of solution = 470 mL

Final mass concentration of solution = 16.95 g / 470 mL * 1000 mL/L

Final mass concentration of solution = 36.06 g/L

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