333 Words2 Pages

Name: Date:
Period: Course: CHEM 510
Ideal Law Practice Set 2.0
Directions: Solve the following problems on a separate sheet of paper using the 5-step method to show your work. All answers must be in proper SIG FIGs. Use the Ideal Gas Law (PV=nRT) to solve each of the following.
R = 8.31 (L•kPa)/(K•mol) or 0.082 (L•atm)/(K•mol)
1. Calculate the volume 3.00 moles of a gas will occupy at 24.0 °C and 101.3 kPa.
2. How many moles of gas would be present in a gas trapped within a 100.0 mL vessel at 25.0 °C at a pressure of 2.50 atmospheres?
3. If the number of moles of a gas are doubled at the same temperature and pressure, will the volume increase or decrease?
4. At what pressure would 0.150 mole of nitrogen gas at 23.0 °C occupy 8.90 L?
5. Find the volume of 2.40 mol of gas whose temperature is 50.0 °C and whose pressure is 202 kPa.
6. How many moles of gas are contained in a 50.0 L cylinder at a pressure of 10100 kPa and a temperature of 35.0 °C?
7. Determine the number of grams of carbon dioxide in a 450.6 mL tank at 1.80 atm and minus 50.5 °C. Determine the number of grams of oxygen that the same container will contain under the same temperature and pressure.
8. A sample of argon gas at STP occupies 56.2 liters. Determine the number of moles of argon and the mass in the sample.
9. A 30.6 g sample of gas occupies 22.4 L at STP. What is the molecular weight of this gas? Think about it!!!!!
10. How many moles of a gas would be present in a gas trapped within a 37.0 liter vessel at 80.00 °C at a pressure of 2.50

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