Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) The average kinetic energy (in Joule) per molecule in 32g of methane at `127^oC` is - Sarthaks eConnect
search
Ask Question

Welcome to Sarthaks eConnect Question Bank

Practice Online Test Series for JEE Main 2018 & NEET 2018

The average kinetic energy (in Joule) per molecule in 32g of methane at `127^oC` is

A.

`6.21 xx 10^(-21)`

B.

`8.28 xx 10^(-21)`

C.

`7.23 xx 10^(-21)`

D.

none

Solution

0 votes
 
Best answer

K.E molecule `=3/2kT = 3/2xx1.38xx10^(-23)xx400J = 8.28xx10^(-21)` J / molecule