Answer the following. Show your solution and box your answers.

1. A sample of gas occupies 380 ml under a pressure of 1.4 atm. If the temperature is held constant, what volume will the sample occupy under a pressure of 1.8 atm?

2. At 22°C and 4.0 atm, a given sample of a gas occupies 75.0 What is its volume when its temperature is 46°C?

3. At what pressure will 0.62 mole of N2 occupy 10.5 li at 100°C?

4. At 20°C and 765 mmHg 1.38 of a gas weighs 2.71g: Find out the molar weight of the gas.

5. The volume of a sample of gas is 400 ml at 30°C and 1.25 atm. Calculate the volume of the sample at STP. (@STP. T=273K, P = 1 atm)​