Based on the thermodynamic properties provided for water, determine the energy change when the temperature of 0.450 kg of water decreased from 103 °C to 42.0 °C. NOTE: MOLAR specfic heat capacities (Cpn) are given here! Property Value Units Melting point °C Boiling point 100.0 °C AHjus 6.01 kJ/mol AHvap 40.67 kJ/mol p(s) 37.1 J/mol °C 75.3 J/mol . °C 33.6 J/mol - °C kJ

Based on the thermodynamic properties provided for water, determine the energy change when the temperature of 0.450 kg of water decreased from 103 °C to 42.0 °C. NOTE: MOLAR specfic heat capacities (Cpn) are given here! Property Value Units Melting point °C Boiling point 100.0 °C AHjus 6.01 kJ/mol AHvap 40.67 kJ/mol p(s) 37.1 J/mol °C 75.3 J/mol . °C 33.6 J/mol - °C kJ

Chemistry by OpenStax (2015-05-04)

1st Edition

ISBN:9781938168390

Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser

Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser

Chapter5: Thermochemistry

Section: Chapter Questions

Problem 17E: Would the amount of heat absorbed by the dissolution in Example 5.6 appear greater, lesser, or...

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