Question
1. If a 21.9 g sample of nitrogen gas has a volume of 830 mL at 29.7 C, what is its pressure in mm Hg?
1. If a 21.9 g sample of nitrogen gas has a volume of 830 mL at 29.7 C, what is its pressure in mm Hg?
2. Which sample contains more atoms: 1,690 mL of neon at 45.5 C and 878 mmHg or 1.07 L of argon at 37.2 C and 1.17 atm?
3. What pressure results when 1.92 x 10-3 g of Cl2(g), initially at 21.4 C under a pressure of 615.2 mm Hg in a 0.590 L container, are heated to 31.0 C and the volume is allowed to expand to 2,000 mL?
4. 0.9453 g sample of an unknown gas occupies a 1.248 L glass container at a pressure of 1.15 atm and 25.1 C. What is the molecular weight of the gas?
5. Calculate the density (in g/L) of nitrogen dioxide gas at STP:
then calculate the density at 1.18 atm and 32.5 C
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