Question

In a closed vessel, a gas is heated
from 300 K to 600 K the kinetic
energy becomes/remains
(A) Half
(B) Double
(C) Same
(D) Four times​

Answer 1

Answer:

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Double

Explanation:

According to Kinetic Theory of Gases,

The absolute temperature of the gas is directly proportional to the average kinetic energy of the molecules.

As the Temperature changes from 300k to 600k,

it doubles.

So kinetic energy doubles. Also refer the photo

Answer 2

$kinetic \: energy \: \: \: \alpha \: \: \: temperature$

so, from above :

• KE/T = const.

Therefore :

• KE₁/T₁ = KE₂/T₂
• KE₁/300 = KE₂/600
• KE₂ = (KE₁×600)/300
• KE₂ = 2KE₁

Hence, ans: (B) Double