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Molecules with a molecular weight

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Boltzmann's constant is 1.38066×10-23 J/K, and the universal gas constant is 8.31451 J/K · mol. If 1.5 mol of a gas is confined to a 6.8 L vessel at a pressure of 10.4 atm, what is the average kinetic energy of a gas molecule? Answer in units of J.

Hydrogen gas is composed of molecules with a molecular weight of 2. A sample of this gas obeys the ideal-gas law. What must the temperature be so that the average of the square of the velocity is (4 km/h)2 ; i.e., approximately walking speed? mp = 1.67262 × 10-27 kg and k = 1.38065 × 10-23 N m/K . Answer in units of K.

Reference no: EM131887244

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