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  •  Consider the rem  is an exothermic to the extent of <img alt="40 \ma

 Consider the rem A+B \rightarrow C is an exothermic to the extent of 40 \mathrm{~kJ} / \mathrm{mol} forward reaction has an activation energy of 300 \mathrm{~kJ} / \mathrm{mol} the activation energy for reverse reaction in KJ/mol is.
 

Option: 1

260 \mathrm{~kJ} / \mathrm{mol}


Option: 2

340 \mathrm{~kJ} / \mathrm{mol}


Option: 3

300 \mathrm{~kJ} / \mathrm{mol}


Option: 4

350 \mathrm{~kJ} / \mathrm{mol}


Answers (1)

best_answer

\mathrm{\begin{aligned} & \Delta H=E_f-E_b \\ & -50=300-E_b \\ & E_b=300+40=340 \mathrm{~kJ} / \mathrm{mol} \end{aligned} }

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vishal kumar

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