The average molecular speed in a sample of O2 gas is 443 m/s at 297 K. The avera

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The average molecular speed in a sample of O2 gas is 443 m/s at 297 K. The average molecular speed in a sample of CO2 gas is  m/s at the same temperature.

Jun 1st, 2015

hello there welcome to study pool!


we can use following equation to solve the problem

V=(3RT/M)^1/2


v-mean speed

R-gas constant

T-temperture

M-molar mass

at same T and R

v=K(1/M)^1/2


443=K(1/32)^1/2-------(1)

v=K(1/44)^1/2------------(2)

(1)/(2)

443/v=(44/32)^1/2

443/1.72=v

v=257.56m/s



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Jun 1st, 2015

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