A region of the earth's atmosphere contains n molecules (treated as ideal gas molecules) per unit volume. The temperature of air in the region is T. If k represents Boltzmann's constant and R represents universal gas constant, the pressure of air in the region is

RT/n

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nkT

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nRkT

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nT/k

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Solution

The correct option is B
nkT

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A sample of an ideal gas has volume V, pressure P and temperature T. The mass of each molecule of the gas is m. The density of the gas is (k is the Boltzmann's constant )

Select the correct formula :

(where k=Boltzmann's constant, R= gas constant, n= moles, r = density, M= molecular weight, p= pressure, T= kelvin temperature, V= volume)

a) k=RN $_{a v}$

b) $r = \frac{n M}{V}$

c) $\frac{p}{r} = \frac{R T}{M}$

d) R=kN $_{a v}$

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A region of the earth's atmosphere contains n molecules (treated as ideal gas molecules) per unit volume. The temperature of air in the region is T. If k represents Boltzmann's constant and R represents universal gas constant, the pressure of air in the region is

The correct option is B nkT

The correct option is B
nkT