A steel container of mass 135 g contains 24.0 g of ammonia, NH3, which has a molar mass of 17.0 g/mol. The container and gas are in equilibrium at 12.0°C. How much heat has to be removed to reach a temperature of −20.0°C ? Ignore the change in volume of the steel. A. 3.80 x 10^3 B.  3.08 x10 ^3 C.  3.08 x10 ^5

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