When the temperature of an ideal gas is increased from 27 ° C to 127 ° C , calculate the…

When the temperature of an ideal gas is increased from 27°C to 127°C, calculate the percentage increase in its vrms.
  1. 37%
  2. 11%
  3. 33%
  4. 15.5%

Solution

R.M.S velocity, vr.m.s=3RTM

vr.m.s∝T

Percentage change, ⇒∆vr.m.svr.m.s=T2-T1T1

⇒∆vr.m.svr.m.s=400-300300=0.155=15.5%

Asked in: AP EAMCET 2021 (20 Aug Shift 2)

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