At 10⁰C the value of the density of a fixed mass of an ideal gas divided by its pressure

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At 10⁰C the value of the density of a fixed mass of an ideal gas divided by its pressure is x. At 110⁰ C this ratio is:

Options

(a) x
(b) (383 / 283) x
(c) (10 / 110) x
(d) (283 / 383) x

Correct Answer:

(283 / 383) x

Explanation:

Let the mass of the gas be m. AT fixed temperature and pressure, volume is fixed. Density of the gas, ρ = m / V
Now ρ / P = m / PV = M / nRT = x (By question)
xT = constant x₁T₁ = x₂T₂
x₂ = x₁T₁ / T₂ = (283 / 383) x
[T₁ = 283 K, T₂ = 383 K ]

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Topics: Behavior of Perfect Gas and Kinetic Theory (34)
Subject: Physics (2479)

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