Calculate the work done on or by a system that absorbs 260 kj of heat and experiences a change in internal energy of 157 kj. Does this system expand or contract?
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Work can be calculated with the equation: Work = Force × Distance. The SI unit for work is the joule (J), or Newton • meter (N • m). One joule equals the amount of work that is done when 1 N of force moves an object over a distance of 1 m.
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