Answer to Question #337092 in General Chemistry for Cosmo

Question #337092

A 1.5 g sample of helium gas has a volume of 25.0 L at -3.5 C. What is the pressure of the gas?

Expert's answer

PV = nRT

P = nRT/V

P = (1.5 g / 4 g/mol) • 269.5 K • 0.082 L* atm/K*mol) / 25.0 L = 0.331 atm

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