Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter8: Thermochemistry
Section: Chapter Questions
Problem 80QAP: Equal masses of liquid A, initially at 100C, and liquid B, initially at 50C, are combined in an...
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* A freezer containing 1.0 kg of ice had a temperature of -5 oC initially. Suddenly, a power interruption occurred. When the power returned, it was observed that all the ice was melted, and the temperature reading was 5 oC. Calculate the heat absorbed by the ice from -5 oC to 0 oC. (Cpice= 2.09 J/g oC, Cpwater= 4.18 J/g oC, ∆Hfus= 6009.5J/mol).
*Based on question, calculate the enthalpy change when the ice melts.
*Based on question, Calculate the total heat absorbed by the ice during the blackout.
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