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worty [1.4K]
1 year ago
5

the magnitude of the heats of vaporization, fusion and sublimation of a substance reflect the quizlet

Chemistry
1 answer:
Mashutka [201]1 year ago
3 0

The magnitude of the heats of vaporization, fusion and sublimation of a substance reflect the intermolecular forces.

What are intermolecular forces?

  • “Intermolecular forces” is used to describe the forces of attraction between atoms, molecules, and ions when they are placed close to each other.
  • Atoms, molecules, and ions are strongly attracted to one another and move toward one another when intermolecular interactions are strong. These are more frequently encountered in states that are condensed, like liquid or solid.
  • Atoms, molecules, or ions do not have a significant attraction to one another and move far apart when intermolecular forces are weak.

Learn more about the intra- and intermolecular forces with the help of the following link:

brainly.com/question/26701678

#SPJ4

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Ksivusya [100]

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About 5 times faster.

Explanation:

Hello,

In this case, since the Arrhenius equation is considered for both the catalyzed reaction (1) and the uncatalized reaction (2), one determines the relationship between them as follows:

\frac{k_1}{k_2}=\frac{Aexp(-\frac{Ea_1}{RT} )}{Aexp(-\frac{Ea_2}{RT})}  \\\frac{k_1}{k_2}=\frac{exp(-\frac{Ea_1}{RT} )}{exp(-\frac{Ea_2}{RT})}

By replacing the corresponding values we obtain:

\frac{k_1}{k_2}=\frac{exp(-\frac{55000J/mol}{8.314J/molK*673.15K} )}{exp(-\frac{64000J/mol}{8.314J/molK*673.15K} )} =4.8

Such result means that the catalyzed reaction is about five times faster than the uncatalyzed reaction.

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