(a) Ten grams of H2 O starts as ice at 0 °C . The ice absorbs heat from the air (just above 0 °C ) until all of it melts. Calculate the entropy change of the H2 O , of the air, and of the universe. (b) Suppose that the air in part (a) is at20 °C rather than 0 °C and that the ice absorbs heat until it becomes water at 20 °C . Calculate the entropy change of the H2 O , of the air, and of the universe. (c) Is either of these processes reversible?
(a) Ten grams of H2 O starts as ice at 0 °C . The ice absorbs heat from the air (just above 0 °C ) until all of it melts. Calculate the entropy change of the H2 O , of the air, and of the universe. (b) Suppose that the air in part (a) is at20 °C rather than 0 °C and that the ice absorbs heat until it becomes water at 20 °C . Calculate the entropy change of the H2 O , of the air, and of the universe. (c) Is either of these processes reversible?
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) Ten grams of H2 O starts as ice at 0 °C . The ice absorbs heat from the air (just above 0 °C ) until all of it melts. Calculate the entropy change of the H2 O , of the air, and of the universe. (b) Suppose that the air in part (a) is at
20 °C rather than 0 °C and that the ice absorbs heat until it becomes water at 20 °C . Calculate the entropy change of the H2 O , of the air, and of the universe. (c) Is either of these processes reversible?
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