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52. Kc for 2 / H ₂ + 1 / 2 areN = NH.0.0266 and 0.0129 are respectively at350°C and 400°C.Calculate heat offormation of NH..​

Answer»

tion:∴△H=−12140cal As we KNOW, 2.303log[ K P 1 ​ ​ K P 2 ​ ​ ​ ]= R △H ​ [ T 1 ​ T 2 ​ T 2 ​ −T 1 ​ ​ ] 2.303log[ 0.0266 0.0129 ​ ]= 2 △H ​ [ 673×623 673−623 ​ ] ∴△H=12140cal=−12140cal



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