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### For the following processes, calculate the change…

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Oklahoma State University

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Problem 25

Calculate $\Delta E$ and determine whether the process is endothermic or exothermic for the following cases: (a) $q=0.763 \mathrm{kJ}$ and $w=-840 \mathrm{J} .$ (b) A system releases 66.1 $\mathrm{kJ}$ of heat to its surroundings while the surroundings do 44.0 $\mathrm{kJ}$ of work on
the system.

a) see on the solution
b) see on the solution

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## Video Transcript

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