Problem: A system releases 651 kJ of heat and does 130 kJ of work on the surroundings. What is the change in internal energy of the system?

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E=q+w

where w is work; and q is the heat release or absorb

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Problem Details

A system releases 651 kJ of heat and does 130 kJ of work on the surroundings. What is the change in internal energy of the system?

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