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PQ-17. What is the standard enthalpy change for the reaction? 2NH3(g) → N2H4(1) + H2(g) N2H4(1) + O2(g) N2(g) + 2H2O(g) 2H2(g) + O2(g) –→ 2H2O(g) N2(g) + 3H2(g) –→ 2NH3(g) AH°1 =-543 kJ mol AH°2 =-484 kJ mol AH°3 = -92 kJ-mol %3D (B) 33 kJ•mol- 151 kJ mol- (C) (D) 935 kJ-mol (A) -935 kJ•mol-1

PQ-17. What is the standard enthalpy change for the reaction? 2NH3(g) → N2H4(1) + H2(g) N2H4(1) + O2(g) N2(g) + 2H2O(g) 2H2(g) + O2(g) –→ 2H2O(g) N2(g) + 3H2(g) –→ 2NH3(g) AH°1 =-543 kJ mol AH°2 =-484 kJ mol AH°3 = -92 kJ-mol %3D (B) 33 kJ•mol- 151 kJ mol- (C) (D) 935 kJ-mol (A) -935 kJ•mol-1

Chemistry
Chemistry
10th Edition
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
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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PQ-17. What is the standard enthalpy change for the reaction? 2NH3(g) → N2H4(1) + H2(g) N2H4(1) + O2(g) N2(g) + 2H2O(g) 2H2(g) + O2(g) –→ 2H2O(g) N2(g) + 3H2(g) –→ 2NH3(g) AH°1 =-543 kJ mol AH°2 =-484 kJ mol AH°3 = -92 kJ-mol %3D (B) 33 kJ•mol- 151 kJ mol- (C) (D) 935 kJ-mol (A) -935 kJ•mol-1
Transcribed Image Text:PQ-17. What is the standard enthalpy change for the reaction? 2NH3(g) → N2H4(1) + H2(g) N2H4(1) + O2(g) N2(g) + 2H2O(g) 2H2(g) + O2(g) –→ 2H2O(g) N2(g) + 3H2(g) –→ 2NH3(g) AH°1 =-543 kJ mol AH°2 =-484 kJ mol AH°3 = -92 kJ-mol %3D (B) 33 kJ•mol- 151 kJ mol- (C) (D) 935 kJ-mol (A) -935 kJ•mol-1
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