Question 3 What is the RMS velocity (in m/s) of Kr gas at 387 K? Question...

Question

Question

science chemistry

Answer 1

Answer #1

Ans 3 :

The RMS velocity of a gas is given as :

$3RT Vrms = V Mm$

R = universal gas constant = 8.314472 J/mo.K

T = 387 K

Mm = molar mass = 83.798 x 10^-3 kg/mol

putting values :

$Vrms = 3* 8.314472J/mol.K *387K 83.798 * 10-3kg/mol$

= 339.4 m /s

Answer 2

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