What is the molarity of a solution composed of 8.210 g of potassium chromate, K, Cro (molar mass = 194.20 g/mol), dissolved in enough water to make 0.500 L of solution?

If i initially have a gas at a pressure of 12 atm, a volume of 23 liters, and a temperature of 200 k, and then i raise the pressure to 14 atm and increase the temperature to 300 k, what is the new volume of the gas?

Chemistry worksheet - i am not sure what they are asking for exactly?

The term gas is limited to those substances that exist in the gaseous state at