At the same pressure, the rate of diffusion of a gas at `927^(@)C` will be ……………………. Times that at `27^(@)C`.

Answer

2

Explanation

`rprop sqrtT therefore (r_(1))/(r_(2))=sqrt((T_(1))/(T_(2)))=sqrt((300K)/(1200K))=(1)/(2)`
`therefore" "r_(2)=2r_(1)`