What is the final pressure of 250. mL of a gas at 270. mm Hg and 24.0°C if the gas is heated to 80.0°C? Assume the volume and the amount of gas are held constant.

Answer 1

Constant volume and constant mass:

P1/T1 = P2/T2

P1 = 270 mm Hg

T1 = 24.0 + 273 = 297K

P2 = ?

T2 = 80.0 + 273 = 353

270 mm/297K = P2/353K

P2 = (270)(353)/297 = 321 mm Hg