1. a balloon is filled with he gas to a volume of 2.10 l at 35 °c. the balloon is placed in liquid nitrogen until its temperature reaches –196 °c. assuming the pressure remains constant, what is the volume of the cooled balloon?
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2. gaseous chlorine is held in two separate containers at identical temperature and pressure. the volume of container 1 is 1.30 l, and it contains 6.70 mol of the gas. the volume of container 2 is 2.33 l. how many moles of the gas are in container 2?
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