Chemistry - Thermochemistry Question with Solution | TestHub

ChemistryThermochemistryEnthalpy of ReactionEasy2 minPYQ_2020
ChemistryEasysingle choice

TheΔHf0forCO2(g),CO(g)andH2O(g)are-393.5,-110.5and-241.8kJmol-1respectively. The standard enthalpy changes(inkJ)for the reaction
CO2g+H2g→COg+H2O(g)is

Options:

Answer:
B
Solution:

ΔHreaction°=ΔHf°CO+ΔHf°H2O,g-ΔHf°CO2,g=–110.5–241.8+393.5=41.2

Stream:NTA_ABHYAS_NEETSubject:ChemistryTopic:ThermochemistrySubtopic:Enthalpy of Reaction
⏱ 2mℹ️ Source: PYQ_2020

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