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A. Multiple choice. Encircle the best answer. 1. Which temperature does water have its greatest density? а. 0°С b. 4°C С. 96°C d. 100°C 2. For a given substance, which of the following phase transition should RELEASE the most energy? a. Solid to Liquid b. Solid to Gas c. Liquid to Gas d. Gas to Liquid e. Gas to Solid 3. The vapor pressure of a liquid increases exponentially with increasing temperature chiefly because: a. the average molecular mass increases. b. the fraction of high-energy molecules increases much faster than the average energy. c. the strength of intermolecular forces increases. d. atmospheric pressure increases. e. the enthalpy of vaporization increases 4. Substances with stronger intermolecular attractions have a. Higher melting points and lower boiling points b. Lower melting points and higher boiling points c. Higher melting points and higher boiling points d. Lower melting points and Lower boiling points 5. True or false: All substances experience intermolecular attraction. a. True b. False

A. Multiple choice. Encircle the best answer. 1. Which temperature does water have its greatest density? а. 0°С b. 4°C С. 96°C d. 100°C 2. For a given substance, which of the following phase transition should RELEASE the most energy? a. Solid to Liquid b. Solid to Gas c. Liquid to Gas d. Gas to Liquid e. Gas to Solid 3. The vapor pressure of a liquid increases exponentially with increasing temperature chiefly because: a. the average molecular mass increases. b. the fraction of high-energy molecules increases much faster than the average energy. c. the strength of intermolecular forces increases. d. atmospheric pressure increases. e. the enthalpy of vaporization increases 4. Substances with stronger intermolecular attractions have a. Higher melting points and lower boiling points b. Lower melting points and higher boiling points c. Higher melting points and higher boiling points d. Lower melting points and Lower boiling points 5. True or false: All substances experience intermolecular attraction. a. True b. False

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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A. Multiple choice. Encircle the best answer. 1. Which temperature does water have its greatest density? а. 0°С b. 4°C С. 96°C d. 100°C 2. For a given substance, which of the following phase transition should RELEASE the most energy? a. Solid to Liquid b. Solid to Gas c. Liquid to Gas d. Gas to Liquid e. Gas to Solid 3. The vapor pressure of a liquid increases exponentially with increasing temperature chiefly because: a. the average molecular mass increases. b. the fraction of high-energy molecules increases much faster than the average energy. c. the strength of intermolecular forces increases. d. atmospheric pressure increases. e. the enthalpy of vaporization increases 4. Substances with stronger intermolecular attractions have a. Higher melting points and lower boiling points b. Lower melting points and higher boiling points c. Higher melting points and higher boiling points d. Lower melting points and Lower boiling points 5. True or false: All substances experience intermolecular attraction. a. True b. False
Transcribed Image Text:A. Multiple choice. Encircle the best answer. 1. Which temperature does water have its greatest density? а. 0°С b. 4°C С. 96°C d. 100°C 2. For a given substance, which of the following phase transition should RELEASE the most energy? a. Solid to Liquid b. Solid to Gas c. Liquid to Gas d. Gas to Liquid e. Gas to Solid 3. The vapor pressure of a liquid increases exponentially with increasing temperature chiefly because: a. the average molecular mass increases. b. the fraction of high-energy molecules increases much faster than the average energy. c. the strength of intermolecular forces increases. d. atmospheric pressure increases. e. the enthalpy of vaporization increases 4. Substances with stronger intermolecular attractions have a. Higher melting points and lower boiling points b. Lower melting points and higher boiling points c. Higher melting points and higher boiling points d. Lower melting points and Lower boiling points 5. True or false: All substances experience intermolecular attraction. a. True b. False
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