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What is the relation between \mathrm{\Delta H_{\text {500 }}} and \mathrm{\Delta H_{\text {510 }}} if these are the enthalpy change for the given exothermic reaction at \mathrm{500 K\ \&\ 510 K}, respectively.
\mathrm{A+2B\rightarrow 3C}
You are given with the ratio of the molar heat capacities of \mathrm{A, B\ \&\ C} at constant pressure as \mathrm{4: 2: 3}. Which is assumed w.n.t. temperature.

Option: 1

\mathrm{\Delta H_{500}>\Delta H_{510}}


Option: 2

\mathrm{\Delta H_{500}<\Delta H_{510}}


Option: 3

\mathrm{\Delta H_{500}=\Delta H_{510}}


Option: 4

\mathrm{If\ T_2>T_1, then\ \Delta H_{500}<\Delta H_{510}\ \& if\ T_2<T_1,\ then\ \Delta H_{500}>\Delta H_{510}}


Answers (1)

best_answer

\mathrm{\begin{aligned} \mathrm{\because \Delta_\gamma C_p} & =0 \\ \mathrm{\Delta H_{500}} & =\Delta \mathrm{H}_{510} \end{aligned}}

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Sayak

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