Problem 31
Calculate the final Celsius temperature of sulfur dioxide gas if \(50.0 \mathrm{~mL}\) of the gas at \(20^{\circ} \mathrm{C}\) and 0.450 atm is heated until the pressure is 0.750 atm. Assume that the volume remains constant.
Problem 32
Calculate the final Celsius temperature of nitrogen dioxide gas if \(1.95 \mathrm{~L}\) of the gas at \(0^{\circ} \mathrm{C}\) and \(375 \mathrm{~mm} \mathrm{Hg}\) is cooled until the pressure is \(225 \mathrm{~mm} \mathrm{Hg}\). Assume that the volume remains constant.
Problem 33
A 5.00-L sample of air is collected at \(500^{\circ} \mathrm{C}\) and 5.00 atm. What is the volume of air at STP?
Problem 34
A 100.0 -mL sample of air is collected at \(21{ }^{\circ} \mathrm{C}\) and \(772 \mathrm{~mm} \mathrm{Hg} .\) What is the volume of air at STP?
Problem 35
If a sample of hydrogen gas occupies \(2.00 \mathrm{~L}\) at \(-50{ }^{\circ} \mathrm{C}\) and \(155 \mathrm{~mm} \mathrm{Hg}\), what is the volume at \(75^{\circ} \mathrm{C}\) and \(365 \mathrm{~mm} \mathrm{Hg} ?\)
Problem 36
If a sample of oxygen gas occupies \(25.0 \mathrm{~mL}\) at \(-25^{\circ} \mathrm{C}\) and \(650 \mathrm{~mm} \mathrm{Hg}\), what is the volume at \(25^{\circ} \mathrm{C}\) and \(350 \mathrm{~mm}\) Hg?
Problem 37
A sample of hydrogen chloride gas occupies \(0.750 \mathrm{~L}\) at STP. What is the pressure in atm if the volume is \(0.100 \mathrm{~L}\) at \(25^{\circ} \mathrm{C} ?\)
Problem 38
A sample of hydrogen fluoride gas occupies \(1250 \mathrm{~mL}\) at STP. What is the pressure in \(\mathrm{mm} \mathrm{Hg}\) if the volume is \(255 \mathrm{~mL}\) at \(300^{\circ} \mathrm{C} ?\)
Problem 39
A sample of nitrogen gas has a volume of \(1.00 \mathrm{~L}\) at STP. What is the temperature in \({ }^{\circ} \mathrm{C}\) if the volume is \(10.0 \mathrm{~L}\) at 2.00 atm?
Problem 40
A sample of ammonia gas has a volume of \(50.0 \mathrm{~mL}\) at STP. What is the Celsius temperature if the volume is \(350.0 \mathrm{~mL}\) at \(350 \mathrm{~mm}\) Hg?
