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The activation energy for the reaction 2HI(g) → H2 + I2(g) is 209.5 kJ mol−1 at

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asked Dec 21, 2017 in Chemistry by sforrest072 (157,439 points) ● 61 ● 410 ● 937

The activation energy for the reaction
2HI(g) → H2 + I2(g)
is 209.5 kJ mol−1 at 581K. Calculate the fraction of molecules of reactants having energy equal to or greater than activation energy?

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answered Dec 21, 2017 by mdsamim (213,225 points) ● 5 ● 10 ● 15
selected Dec 21, 2017 by sforrest072
 
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The correct answer is

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