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3 years ago

What factors affect the rate of a chemical reaction?

Chemistry

1 answer:

Contact [7]3 years ago

3 0

Answer:

The answer to your question is below

Explanation:

Factors that affect the rate of a chemical reaction

- Temperature If the temperature increases the rate of reaction increases.

- Concentration The reaction will move where there less concentration it could be to the reactants of products.

- Particle size The lower the particle size the higher the rate of reaction.

- Catalyst Catalyzers accelerate the rate of reaction

- Pressure The reaction will move where there are fewer molecules.

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3 years ago

At a given temperature the vapor pressure of pure liquid benzene and toluene are 745 torr and 290 torr, respectively. A solution

IRISSAK [1]

Answer:

Vapour pressure of benzene over the solution is 253 torr

Explanation:

According to Raoult's law for a mixture of two liquid component A and B-

vapour pressure of a component (A) in solution = $x_{A}\times P_{A}^{0}$

vapour pressure of a component (B) in solution = $x_{B}\times P_{B}^{0}$

Where $x_{A},x_{B}$ are mole fraction of component A and B in solution respectively

$P_{A}^{0},P_{B}^{0}$ are vapour pressure of pure A and pure B respectively

Here mole fraction of benzene in solution is 0.340 and vapour pressure of pure benzene is 745 torr

So, vapour pressure of benzene in solution = $0.340\times 745 torr$

= 253 torr

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3 years ago

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tatuchka [14]

Answer:

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Explanation:

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Read 2 more answers

If the volume of a solid is 100cm^3 and its mass is 400 g, what is it’s density

Aleksandr-060686 [28]

Answer:

The answer to your question is: density = 4 g/cm³

Explanation:

Data

Volume = 100 cm³

Mass = 400 g

Density = ?

Formula

density = mass/volume

substitution

density = 400/100 = 4 g/cm³

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3 years ago