Give the AH value for the decomposition of phosphorus pentachloride as shown in the reaction PCs (g) +67 kJ PCl3 (g) + Cl₂(g)

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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Give the AH value for the decomposition of phosphorus pentachloride as shown in the reaction
PCs (g) +67 kJ-PC13(g) + Cl₂(g)
Transcribed Image Text:Give the AH value for the decomposition of phosphorus pentachloride as shown in the reaction PCs (g) +67 kJ-PC13(g) + Cl₂(g)
Expert Solution
Step 1: General concept

An EXOTHERMIC thermochemical reaction equation is written as 

Reactants ------> products + Heat

Or 

Reactants ------> products.  ,   ∆H = -ve

Whereas an ENDOTHERMIC thermochemical reaction equation is written as

Reactants + Heat -----> Products 

Or 

Reactants ------> products.  ,   ∆H = +ve

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