Given that 2 NO2 (g) → N2(g) +202(g) N2O4(g) → N2(g) +202(g) Use Hess's law to calculate AH, N2O4(g) 2NO2(g) rxn ΔΗ = -67.7 ΚΙ ΔΗ = -9.7 ΚΙ for the reaction AH xn = Calculate the amount of energy absorbed when 7.90 g of N2O4 (MM = 92.01 g/mol) decomposes. energy absorbed: kJ kJ

Given that 2 NO2 (g) → N2(g) +202(g) N2O4(g) → N2(g) +202(g) Use Hess's law to calculate AH, N2O4(g) 2NO2(g) rxn ΔΗ = -67.7 ΚΙ ΔΗ = -9.7 ΚΙ for the reaction AH xn = Calculate the amount of energy absorbed when 7.90 g of N2O4 (MM = 92.01 g/mol) decomposes. energy absorbed: kJ kJ

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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Question

Given the equations below, use hess's law to calculate triangle h(rxn) for the reaction and calculate the amount of energy absorbed when 7.90 g of n204 decomposes.

Given that
2 NO2 (g) → N2(g) +202(g)
N2O4(g) → N2(g) +202(g)
Use Hess's law to calculate AH,
N2O4(g) 2NO2(g)
rxn
ΔΗ = -67.7 ΚΙ
ΔΗ = -9.7 ΚΙ
for the reaction
AH xn
=
Calculate the amount of energy absorbed when 7.90 g of N2O4 (MM = 92.01 g/mol) decomposes.
energy absorbed:
kJ
kJ

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