Set up a Hess's law cycle, and use the following information to calculate AH, for aqueous nitric acid, HNO,taq). You will need to use fractional coefficients for some equations. Hint: AH, involves the formation of 1 mol of substance in its standard state, from its constituent elements in their standard states. 3NO:(9) + H,0(1) 2HNO,(ag) + NO(g) AH 131 kJ 2NO(g) + O:(9) 2NO,(9) AH = 119 J 4NH3(9)+50,(g)4NO()+6H,0(1) AH-1,164 kJ 0:(0) + Ha(9) H;O() AH, =-254 kJ/mol N() +H:(0) NH,(9) AH, =-53 kl/mol %3D

Set up a Hess's law cycle, and use the following information to calculate AH, for aqueous nitric acid, HNO,taq). You will need to use fractional coefficients for some equations. Hint: AH, involves the formation of 1 mol of substance in its standard state, from its constituent elements in their standard states. 3NO:(9) + H,0(1) 2HNO,(ag) + NO(g) AH 131 kJ 2NO(g) + O:(9) 2NO,(9) AH = 119 J 4NH3(9)+50,(g)4NO()+6H,0(1) AH-1,164 kJ 0:(0) + Ha(9) H;O() AH, =-254 kJ/mol N() +H:(0) NH,(9) AH, =-53 kl/mol %3D

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter12: Thermodynamic Processes And Thermochemistry

Section: Chapter Questions

Problem 44P

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