Of the situations given below, which ones imply that ΔUsys must be positive? I. work is done on the system and heat is gained from the surroundingsII. work is done by the system and heat is lost to the surroundings.III. work is done on the system and heat is lost to the surroundings. A. I only B. II only C. III only D. I and III E. II and III
Of the situations given below, which ones imply that ΔUsys must be positive? I. work is done on the system and heat is gained from the surroundingsII. work is done by the system and heat is lost to the surroundings.III. work is done on the system and heat is lost to the surroundings. A. I only B. II only C. III only D. I and III E. II and III
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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Of the situations given below, which ones imply that ΔUsys must be positive?
I. work is done on the system and heat is gained from the surroundings
II. work is done by the system and heat is lost to the surroundings.
III. work is done on the system and heat is lost to the surroundings.
A. I only
B. II only
C. III only
D. I and III
E. II and III
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