A student runs a reaction in a closed system. During the reaction, 64.7 kJ of heat is released to the surroundings and 14.3 kJ of work is done on the system. What is the change in internal energy (AU) of the reaction? a.-79.0 kJ b.50.4 kJ c.-50.4 kJ d.79.0 kJ

A student runs a reaction in a closed system. During the reaction, 64.7 kJ of heat is released to the surroundings and 14.3 kJ of work is done on the system. What is the change in internal energy (AU) of the reaction? a.-79.0 kJ b.50.4 kJ c.-50.4 kJ d.79.0 kJ

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter4: Energy And Chemical Reactions

Section: Chapter Questions

Problem 35QRT

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A student runs a reaction in a closed system. During the reaction, 64.7 kJ of heat is released to the
surroundings and 14.3 kJ of work is done on the system. What is the change in internal energy (AU) of
the reaction?
a.-79.0 kJ
b.50.4 kJ
c.-50.4 kJ
d.79.0 kJ

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