0.50 mol of H₂ and 1.0 mol of O₂ have the same average molecular kinetic energy at standard temperature and pressure
Mass of H₂ and O₂ can be found by the formula given below;
m=n × M
mass of H₂= 0.50 × 2= 1g
mass of O₂=1.0 ×16= 16g
The formula to find average kinetic energy is as follows
K=[tex]\frac{3}{2}[/tex]K[tex]B}[/tex]T where K[tex]{B}[/tex]= Boltzmann constant
According to the conditions given above i.e standard temperature and pressure.
K∝T
So it is independent of the quantity of the sample i.e how much the amount of sample is present.
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