Based on the thermodynamic properties provided for water, determine the energy change when the temperature of 1.45 kg of water decreased from 109 °C to 40.5 °C. Property Value Units Melting point 0 °C Boiling point 100.0 °C ΔHfus 6.01 kJ/mol ΔHvap 40.67 kJ/mol cp (s) 37.1 J/mol · °C cp (l) 75.3 J/mol · °C cp (g) 33.6 J/mol · °C kJ
Based on the thermodynamic properties provided for water, determine the energy change when the temperature of 1.45 kg of water decreased from 109 °C to 40.5 °C. Property Value Units Melting point 0 °C Boiling point 100.0 °C ΔHfus 6.01 kJ/mol ΔHvap 40.67 kJ/mol cp (s) 37.1 J/mol · °C cp (l) 75.3 J/mol · °C cp (g) 33.6 J/mol · °C kJ
Chemistry: Matter and Change
1st Edition
ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Chapter15: Energy And Chemical Change
Section: Chapter Questions
Problem 78A: Alloys When a 58.8-g piece of hot alloy is placed in125 g of cold water in a calorimeter, the...
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Based on the
Property | Value | Units |
Melting point | 0 | °C |
Boiling point | 100.0 | °C |
ΔHfus | 6.01 | kJ/mol |
ΔHvap | 40.67 | kJ/mol |
cp (s) | 37.1 | J/mol · °C |
cp (l) | 75.3 | J/mol · °C |
cp (g) | 33.6 | J/mol · °C |
kJ
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