Avogadros law

1. A flexible container at an initial volume of 5.120 L contains 8.500 mol of gas. More gas is then added to the container until it reaches a final volume of of 18.10 L. Assuming the pressure and temperature of the gas remain constant, calculate the number of moles of gas added to the container.

Combined Gas Laws

2. At conditions of 785 torr of pressure and 15 C temperature, a gas occupies a volume of 45.5Ml. What will be the volume of the same gas at 745.o torr and 30.0 C.