Question

If the density of a gas is doubled then it's rate of diffusion will be ?

Answer 1

Answer:

remain constant

Explanation:

Thermal conductivity of a gas is independent of the pressure as compared to solid and liquid. So the thermal conductivity of gas will remain constant.

Answer 2

The rate of diffusion of a gas having molecular weight just double of nitrogen gas is 56 ml per sec. The rate of diffusion of nitrogen gas

Mass of nitrogen gas (m1)=M

Mass of another gas (m2)=2M

Rate of diffusion of nitrogen gas (r1)=r=?

Rate of diffusion of another gas (r2)=56mL/sec

Graham's law states that the rate of diffusion or of effusion of a gas is inversely proportional to the square root of its molecular weight.

r∝m1

r2r1=m2m2

⇒56r=M2M

⇒r=5

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Chemistry

The rate of diffusion of a gas having molecular weight just double of nitrogen gas is 56 ml per sec. The rate of diffusion of nitrogen gas will be:

A

79.19ml/sec

B

112ml/sec

C

56ml/sec

D

90ml/sec

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Correct option is

A

79.19ml/sec

Mass of nitrogen gas (m1)=M

Mass of another gas (m2)=2M

Rate of diffusion of nitrogen gas (r1)=r=?

Rate of diffusion of another gas (r2)=56mL/sec

Graham's law states that the rate of diffusion or of effusion of a gas is inversely proportional to the square root of its molecular weight.

r∝m1

r2r1=m2m2

⇒56r=M2M

⇒r=5

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