At what temperature, the translational kinetic energy of 14 g of nitrogen will be the same as that of 32g of oxygen at 300 K
600 K
KE=32nRT;nN2=1428=0.5 mol;TN2=?nO2=3232=1 mol;TO2=300KGiven,K.E.(N2)=K.E.(O2),So nN2TN2=nO2TO2
Or 0.5×TN2=1×300,or TN2=600K