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In a mixture of CH4 and H2, assuming that both gases behave as non-ideal gases, the...

In a mixture of CH4 and H2, assuming that both gases behave as non-ideal gases, the pressure fraction of CH4 is equal to its mole fraction. Answer True or False and briefly explain your answer to earn full marks.

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Answer #1

True

Reason:-

methane and hydrogen are real gases and will not undergo direct reaction unless methane is decomposed to form carbon. According to Dalton's theory of partial pressures the total pressure of a gaseous mixture of non reacting gases is equal to the some of partial pressure of each gas. partial pressure of any gas equal to the product of mole fraction and total pressure.

Ptot=P1+P2+P3+........

P1=x1*Ptot

Where x1 mole fraction

presure faction = P1/Ptot=x1

there fore the pressure fraction of methane is equal to mol fraction of metane

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