1. What will be the new volume when 340 mL of gas at 15˚ C is heated to 30˚ C? Use Charles Law. Show your computations.
2. A sealed container with 2.0 atm is heated from 10 K to 50 K. What will be the new pressure? Use Gay–Lussac’s Law. Show your computations.
3. A sample of oxygen has a volume of 280 ml at 30˚ C and pressure of 740 mm Hg. The temperature is lowered to 10˚ C and the pressure to 205 mm Hg. What is the new volume? Use the Combined Gas Law. Show your computations.