Given the following data: Na(g) + O2(g) O2(g) 2N20(g) → 2NO(g), AH = +180.7 kJ AH =-113.1 kJ 2NO(g) + 2NO2(g), 2N2(g) + O2(g), AH--163.2 kJ use Hess's law to calculate AH for the following reaction: N20(g) + NO2(g)→3NO(g) Express the enthalpy in kilojoules to four significant digits. ? AH = kJ

Given the following data: Na(g) + O2(g) O2(g) 2N20(g) → 2NO(g), AH = +180.7 kJ AH =-113.1 kJ 2NO(g) + 2NO2(g), 2N2(g) + O2(g), AH--163.2 kJ use Hess's law to calculate AH for the following reaction: N20(g) + NO2(g)→3NO(g) Express the enthalpy in kilojoules to four significant digits. ? AH = 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

Part A
Given the following data:
N2(g) +
2NO(g) +
O2(g) →
2NO(g),
AH =+180.7 kJ
O2 (g) → 2NO2(g),
AH = –113.1 kJ
2N20(g) →
2N2(g) + O2(g),
AH = -163.2 kJ
use Hess's law to calculate AH for the following reaction:
N20(g) + NO2(g)→3NO(g)
Express the enthalpy in kilojoules to four significant digits.
ΑΣΦ
ΔΗ -
kJ
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