hen 1 mole of supercooled water (H2O) in an isolated chamber spontaneously turns into ice, which has a negative ΔS, yet we know ΔS + ΔSsurr = + because it happened. Freezing would be exothermic if the system was not isolated, so we know that ΔT is positive. Assuming that the freezing was slow enough to be reversible and that the final temperature = 273K, and assuming the heat capacity of the water and ice are the same, at what would the initial temperature have to be to get the ΔS due to warming equal the ΔSfusion of water at 273 K. This is only to get a very approximate answer).
hen 1 mole of supercooled water (H2O) in an isolated chamber spontaneously turns into ice, which has a negative ΔS, yet we know ΔS + ΔSsurr = + because it happened. Freezing would be exothermic if the system was not isolated, so we know that ΔT is positive. Assuming that the freezing was slow enough to be reversible and that the final temperature = 273K, and assuming the heat capacity of the water and ice are the same, at what would the initial temperature have to be to get the ΔS due to warming equal the ΔSfusion of water at 273 K. This is only to get a very approximate answer).
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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When 1 mole of supercooled water (H2O) in an isolated chamber spontaneously turns into ice, which has a negative ΔS, yet we know ΔS + ΔSsurr = + because it happened. Freezing would be exothermic if the system was not isolated, so we know that ΔT is positive. Assuming that the freezing was slow enough to be reversible and that the final temperature = 273K, and assuming the heat capacity of the water and ice are the same, at what would the initial temperature have to be to get the ΔS due to warming equal the ΔSfusion of water at 273 K. This is only to get a very approximate answer).
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