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Mathematics, 07.04.2020 23:35 Aquaflash
One mole of ammonia gas is contained in a vessel which is capable of changing its volume (a compartment sealed by a piston, for example). The total energy U (in Joules) of the ammonia is a function of the volume V (in cubic meters) of the container, and the temperature T (in degrees Kelvin) of the gas. The differential dU is given by dU=840dV+27.32dT. (a) How does the energy change if the volume is held constant and the temperature is decreased slightly?
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