Calculate the amount of heat (in kJ) required to convert 75.0og of solid water to liquid water at o.0°C.

Physical Chemistry
2nd Edition
ISBN:9781133958437
Author:Ball, David W. (david Warren), BAER, Tomas
Publisher:Ball, David W. (david Warren), BAER, Tomas
Chapter2: The First Law Of Thermodynamics
Section: Chapter Questions
Problem 2.73E: Why are steam burns so much worse than water burns even if the H2O is at the same temperature for...
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Calculate the amount of heat (in kJ) required to convert 75.0 g of solid water to liquid water at o.0°C.
25.0
Transcribed Image Text:Calculate the amount of heat (in kJ) required to convert 75.0 g of solid water to liquid water at o.0°C. 25.0
AH of water is 40.79 kJ/mol.
vap
AHfus of water is 6.01 kJ/mol.
The specific heats of ice, liquid
water, and steam are 2.03
J/g.°C, 4.184 J/g.°C, and 1.99
J/g.°C,
respectively.
Transcribed Image Text:AH of water is 40.79 kJ/mol. vap AHfus of water is 6.01 kJ/mol. The specific heats of ice, liquid water, and steam are 2.03 J/g.°C, 4.184 J/g.°C, and 1.99 J/g.°C, respectively.
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