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4. At what temperature, in celsius, will 37.2 g of methane, CH4, exert a pressure of 905.0 torr with a volume of 2.35 L

5. determine the mass of a sample ammonia, NH3, that has a volume of 115 mL at a pressure of 0.922 atm and a temperature of 45° C

6. what is the density of 2.3 mol of ethane gas, C2H6, at a pressure of 194.3 kPa and a temperature of 25.6° C?

7. a metal canister has a volume of 859 mL. it’s pressure is 0.750 atm when 0.0445 mol of gas are pumped into the canister . what is the temperature for the gas in K?