Chemistry - Thermochemistry Question with Solution | TestHub
ChemistryThermochemistryEnthalpy of FormationMedium2 minQB
ChemistryMediummultiple choice
Which of the following is/are endothermic compound(s)?
Options:(select one or more)
Answer:
A, B
Solution:
An endothermic compound has Δf H° > 0. O3(g): +143 kJ/mol and C2H2(g): +227 kJ/mol are endothermic. H2O(l): -286 and CH4(g): -75 kJ/mol are exothermic. Ans: (a),(b).
Stream:JEESubject:ChemistryTopic:ThermochemistrySubtopic:Enthalpy of Formation
⏱ 2mℹ️ Source: QB
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