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Physics - Heat & Thermo Question with Solution | TestHub

PhysicsHeat & ThermoKTGMedium2 minQB

PhysicsMediumsingle choice

Passage / Comprehension

Consider a gas at temperature T occupying a volume V consisting of a mixture of two gases having Na & Nb atoms of masses ma & mb respectively.

Give an expression for the total pressure exerted by the gas

Options:

Answer:

Solution:

$P = \frac{n RT}{V}$ , where n = number of moles of all gases. $n = \frac{N _{a} + N _{b}}{N}, N =$ Avogadro number $\Rightarrow P = \frac{( N _{a} + N _{b} )}{N} \frac{RT}{V} = \frac{( N _{a} + N _{b} ) k T}{V}$ .

Stream:JEESubject:PhysicsTopic:Heat & ThermoSubtopic:KTG

⏱ 2mℹ️ Source: QB

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