
Concept explainers
Interpretation:
A gas mixture contains 10.0% CH4 and 90.0%
Concept introduction:
An ideal gas which is known as the perfect gas is a gas whose volume V, Pressure P and temperature T are related through the ideal gas as: -
Here,
-
n = number of moles of the gas
R = ideal gas constant
T = Temperature
P = Pressure
Ideal gases are described as the molecules which have negligible size but have an average molar kinetic energy which is dependent on the temperature. When temperature is low, and pressure is high, most of the gases behave like ideal gases and the
Also, density of a substance is related to number of moles as follows:
Here,
Given:
Percentage of
Percentage of
Temperature=
And,
Pressure= 2.50 atm

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Chapter 5 Solutions
Chemistry for Engineering Students
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