Question

A gas occupies 500ml at 25. C and 745 mm pressure. What would be its volume at S.T. P

Answer 1

For an ideal gas: P*V = n*R*T where: V = 500 mL T = 25 degrees C = 298 K P = 745 mm Hg (assume pressure is in units mm Hg) (P*V)stp/(P*V) = (n*R*T) .