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August 30, 2015

Homework Help: chemistry

Posted by kellie on Saturday, October 16, 2010 at 10:50pm.

Determine the density of methane (CH4) in g/L at 24.7oC and 1.1 atm


ideal gas eqn: P = (rho)RT, where:

pressure: P = 1.1 atm

specific gas constant: R, R = |R / M, where

|R = 0.0821 L-atm / K-mol and,

molecular weightCH4: M = 0.016 kg/mol

R = 0.0821/0.016 = 5.13 and

temp. T = 24.7 + 273 = 291 K, therefore,

density: (rho) = P / RT = 1.1 / (5.13)(291)

(rho) = 62.4 g/L

please tell me if this is correct if not help me to correct my work

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