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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 for Engineering Students
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter9: Energy And Chemistry
Section: Chapter Questions
Problem 9.74PAE: 9.74 Without looking up any numerical data or doing calculations, predict whether the following...
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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 Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Provide Feedback En PrtScn F8 Home F9 F7 DII F6 F5 FA 合 I O
Transcribed Image Text: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 Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Provide Feedback En PrtScn F8 Home F9 F7 DII F6 F5 FA 合 I O
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