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The absolute temperature of a gas is made four times. How many times will its total kinetic energy becomes> Root mean square velocity of its molecules? Pressure?

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K.E. per molecule of a gas is directly proportional to temperature hence K.E. will become four times r.m.s. velocity is directly proportional to the square root of temperature hence, r.m.s. velocity becomes twice. Pressure is directly proportional to (r.m.s. velocity)2 . Hence pressure becomes four times.

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