kinetic energy of 80grams of methane gas at 227°c is x then at what temperatures its kinetic energy will be 3x
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Answer:
Solution :
Total kinetic energy =n(
3
2
RT)
when n is the number of moles
Moles of methane =
W
Molarweight
=
8
16
=0.5mol
∴KE=0.5×
3
2
×8.314×300=1870.65J
Therefore, average kinetic energy is
=
1870.65
6.023×1023×0.5
=6.21×10-21J
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