Aaahhhh chem help please?

Question

Determine the pressure exerted in a 7.25L flask containing 0.475 mol N2 @ 25degrees Celsius.

A 7.35 mL sample of argon is heated from 25degrees C to 100 degrees C. If the pressure remains constant, determine the final volume of the gas.

Thank you!

Answer 1

P= nRT/ V

2nd one: P1V1= P2V2