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Chemistry, 07.12.2019 02:31 mayahgrimes
Determine whether the sign of heat or work (relative to the system) is positive or negative. a metal cylinder is rolled up a ramp. (the metal cylinder is the system.) the fireman extinguishes the fire with foam and cools the environment. (the foam is the system.)
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Determine whether the sign of heat or work (relative to the system) is positive or negative. a metal...
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