The reason as to why evaporation and vaporization are defined as different phenomena but both processes involve a liquid becoming a gas is to be explained. Concept introduction: Evaporation is a process of conversion of a liquid into gas below its boiling point. Vaporization is a process of conversion of a liquid into gas at its boiling point. During the process of vaporization, the vapor pressure of the liquid is equal to the atmospheric pressure.

Question

Use the observations about each chemical reaction in the table below to decide the sign (positive or negative) of the reaction enthalpy AH and reaction entropy AS. Note: if you have not been given enough information to decide a sign, select the "unknown" option. reaction observations conclusions ΔΗ is (pick one) A This reaction is faster above 103. °C than below. AS is (pick one) ΔΗ is (pick one) B This reaction is spontaneous only above -9. °C. AS is (pick one) ΔΗ is (pick one) C The reverse of this reaction is always spontaneous. AS is (pick one) 18 Ar

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Question

Chapter 7, Problem 7.64E

Interpretation Introduction

Interpretation:

The reason as to why evaporation and vaporization are defined as different phenomena but both processes involve a liquid becoming a gas is to be explained.

Concept introduction:

Evaporation is a process of conversion of a liquid into gas below its boiling point. Vaporization is a process of conversion of a liquid into gas at its boiling point. During the process of vaporization, the vapor pressure of the liquid is equal to the atmospheric pressure.

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