1.A mixture of helium and nitrogen gases is maintained in a 7.60 L flask at a...

1.A mixture of helium and nitrogen gases is maintained in a 7.60 L flask at a pressure of 2.43 atm and a temperature of 31 °C. If the gas mixture contains 1.35 grams of helium, the number of grams of nitrogen in the mixture is ------------- g.

2.A mixture of nitrogen and krypton gases at a total pressure of 897 mm Hg contains nitrogen at a partial pressure of 348 mm Hg. If the gas mixture contains 2.22 grams of nitrogen, how many grams of krypton are present?-------------g Kr

3.Compute the root-mean-square speed of Ar molecules in a sample of argon gas at a temperature of 97°C.------------- m s^-1

4.According to the ideal gas law, a 9.082 mol sample of methane gas in a 0.8470 L container at 504.4 K should exert a pressure of 443.8 atm. What is the percent difference between the pressure calculated using the van der Waals' equation and the ideal pressure? For CH₄ gas, a = 2.253 L²atm/mol² and b = 4.278×10^-2 L/mol.--------------%

Expert Solution

queen_honey_blossom answered 2 years ago

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