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Chemistry, 18.10.2019 20:30 shamika109p61p5s
Cylinder contains 250 g of helium at 200 k. the external pressure is constant at 1 atm. the temperature of the surroundings is lowered by 97 k. calculate the heat lost or gained by the system in response to this change in the external temperature. express your answer in j. heat capacity for helium = 20.8 j/(mol k) molecular weight for helium = 4 g/mol
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Cylinder contains 250 g of helium at 200 k. the external pressure is constant at 1 atm. the temperat...
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