1. If 38.0 L of hydrogen is heated to 110°C and expands to 90.0 L, what was the original temperature?
2. A tank contains 3.00 L of acetylene at 4.00°C. Find the volume at 12.0°C.
3. A hot air balloon contains 147 m3 of air at 19.0°C. What is the volume of air at 32.0°C?
4. A tank with 139 L of propane is cooled from 91.0°C to 37.0°C. Find the original volume.
5. A 2000-litre fuel tank filled with propane at 21°C is cooled to 9°C. What is the new volume of propane?
6. A propane nurse tank is left on a job site overnight. If the tank was filled in the heat of the day at 19°C and cools overnight to 3°C, what is the new propane volume if the tank was filled with 1400 liters?
7. A propane tank now containing 250 L of propane was cooled from 35.0°C to 5.0°C. What was the original volume of the propane?
8. A tank with 500 L of gasoline is heated from 17.0°C to 31.0°C. What is the new volume of the gasoline in the tank?