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Chemistry - Thermochemistry Question with Solution | TestHub

ChemistryThermochemistryEnthalpy of ReactionEasy2 minPYQ_2003

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Assertion : $Δ H$ and $Δ E$ are almost the same for the reaction, $N_{2 (g)} + O_{2 (g)} ⇌ 2 NO (g$ . Reason : All reactants and products are gases.

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Solution:

$Δ H = Δ E + Δ n RT$ $Δ n =$ change in number of moles of products and reactant species. $Δ n = Δ H = N_{2 (g)} + O_{2 (g)} ⇌ 2 NO_{(g)} 2 - 2 = 0 Δ E + 0 \times RT or, Δ H = Δ E .$

Stream:AIIMSSubject:ChemistryTopic:ThermochemistrySubtopic:Enthalpy of Reaction

⏱ 2mℹ️ Source: PYQ_2003

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