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Grade 11AIIMS MBBS

For the given reaction, what is the enthalpy of formation of PCl5 ?

Question image for For the given reaction, what is the enthalpy of f
Profile image of Abhishek Dogra
7 Years agoGrade 11
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1 Answer

Profile image of Mahima Kanawat
ApprovedApproved Tutor Answer7 Years ago
Dear student
Heat of reaction = Heat of formation of products - Heat of formation of reactants
- X = Heat of formation of PCl5 - (-Y +0) 
Therefore, Heat of formation of PCl5 = - X - Y = - (X+Y)
WITH REGARDS 
MAHIMA 
ASKIITIANS FORUM EXPERT 

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