Was heat transferred to or from the system
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Was heat transferred to or from the system

[From: ] [author: ] [Date: 12-01-29] [Hit: ]
This is 406 kJ. The percentage for actual work = 1357-kJ/ 1763-kJ x 100 = 76.......
The internal energy of a system was decreased by 1763 kJ after performing 1357 kJ of work. Was heat transferred to or from the system? What percentage of the change in internal energy was used for actual work?

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Since 1763-kJ of energy was removed from the system in performing 1357-kJ of work, the difference is energy transferred as heat from the system. This is 406 kJ. The percentage for actual work = 1357-kJ/ 1763-kJ x 100 = 76.97%
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