QUESTION 39 From the following enthalpy changes, calculate the value of AH for the reaction N2H4 N2 + 2 H2 AH = -95.4 kJ N2H4 + H2 2 NH3 AH = -187.6 kJ 3 H2 + N2 →>>> 2 NH3 AH = ? -283 kJ -92.2 kJ +92.2 kJ +283 kJ

Physical Chemistry
2nd Edition
ISBN:9781133958437
Author:Ball, David W. (david Warren), BAER, Tomas
Publisher:Ball, David W. (david Warren), BAER, Tomas
Chapter2: The First Law Of Thermodynamics
Section: Chapter Questions
Problem 2.40E: In a constant-volume calorimeter, 35.0g of H2cools from 75.3C to25.0C. Calculate w, q, U, and H for...
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QUESTION 39
From the following enthalpy changes, calculate the value of AH for the reaction
N2H4 N2 + 2 H2
AH = -95.4 kJ
N2H4 + H2
2 NH3
AH = -187.6 kJ
3 H2 + N2 →>>> 2 NH3
AH = ?
-283 kJ
-92.2 kJ
+92.2 kJ
+283 kJ
Transcribed Image Text:QUESTION 39 From the following enthalpy changes, calculate the value of AH for the reaction N2H4 N2 + 2 H2 AH = -95.4 kJ N2H4 + H2 2 NH3 AH = -187.6 kJ 3 H2 + N2 →>>> 2 NH3 AH = ? -283 kJ -92.2 kJ +92.2 kJ +283 kJ
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