Chemistry - Thermochemistry Question with Solution | TestHub

ChemistryThermochemistryEnthalpy of ReactionEasy2 minPYQ_2020

ChemistryEasysingle choice

A mixture of 2 mol of carbon monoxide and 1 mol of oxygen in a closed vessel is ignited to get carbon dioxide, then

Answer:

Solution:

$2 C O (g) + O_{2} (g) \to 2 C O_{2} (g)$
$Δ n_{g} = 2 - (2 + 1) = - 1$
$Δ H = Δ E + Δ n_{g} R T$
or $Δ H = Δ E - 1 . R T$
i.e., $Δ H < Δ E$

Stream:NTA_ABHYAS_NEETSubject:ChemistryTopic:ThermochemistrySubtopic:Enthalpy of Reaction

⏱ 2mℹ️ Source: PYQ_2020

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