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What is the molar mass of a gas if 0.0494 g of the gas occupies a volume of 0.100 L at a temperature 26 C and a pressure of 307 torr?
What volume, in milliliters, of hydrogen gas at 1.33 atm and 33 C is produced by the reaction of 0.0223 g lithium metal with excess water? The other product is LiOH.
A 0.105-g sample of a gaseous compound has a pressure of 561 mm Hg in a volume of 125 mL at 23.0 C. What is its molar mass?
What is the molar mass of a gas if 0.281 g of the gas occupies a volume of 125 mL at a temperature 126 C and a pressure of 777 torr?
A gas effuses through an opening one-fifth as fast as helium gas effuses through the same opening. (a) Is the gas heavier than helium? (b) What is the molar mass of the gas?
Hydrogen gas is used in weather balloon because it is less expensive than Helium. Assume that 5.57 g of H2 is used to fill a weather balloon to an initial volume of 67 L at 1.04 atm. If the ballloon rises to an altitude where the pressure is 0.047 atm, what is its new volume? Assume that the temperature remains constant.
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