If the number of molecules of H2 are double than that of O2 then the ratio of kinetic energy of hydrogen and that of oxygen moleculenat 300k is?
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Explanation:
Answer
Mean Kinetic energy is given as, K.E=
2
3
nRT
n= no. of molecules.
R= Constant.
T= Temperature.
For H
2
,
K.E
H
2
=
2
3
n
H
2
RT⟶(1)
For O
2
,
K.E
O
2
=
2
3
n
O
2
RT⟶(1)
On dividing equation (1) by equation (2) we get,
K.E
O
2
K.E
H
2
=
n
O
2
n
H
2
given n
H
2
=2n
O
2
,
K.E
O
2
K.E
H
2
=
n
O
2
n
2O
2
=
1
2
Thus the ration is 2:1.
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