yes the temperature stays constant. the volume will decrease so the density will increase? I'm not sure how to use the formulas what does each variable stand for?
Homework Statement
in a cylinder there is 30g of air which starts with a volume of 3L and pressure 0.1MPa. What will be the density of the air when the piston of the cylinder compresses the air to 0.5MPa ?
Homework Equations
The Attempt at a Solution