(Answered) Question a if 1 liter of oxygen gas at 0 c and 101kpa

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Question: a. If 1 liter of oxygen gas at 0 ?C and 101kPa pressure contains 2.7× 1022 molecules, how many molecules are in 1 liter of hydrogen gas at the same temperature and pressure? How do you know?

b. If at room temperature the average kinetic energy of an oxygen molecule (MO2 = 32) is 0.04eV, what is the average kinetic energy of a hydrogen molecule at the same temperature? Why?

c. When hydrogen and oxygen gas combine to form water, about 2.5eV of energy is released as each water molecule forms. Assume that the hydrogen and oxygen combine inside a closed tank and that 10% of the released energy goes into kinetic energy of the molecules. Estimate the rise in temperature of the water vapor.

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