A scientist measures the standard enthalpy change for the following reaction to be - 112.2 kJ: 2NO(g) + O2(g) → 2NO2 (g) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of NO2 (g) is kJ/mol. Substance AH (kJ/mol) NO(g) O₂(g) 90.3 0.0

Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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A scientist measures the standard enthalpy change for the following
reaction to be - 112.2 kJ:
2NO(g) + O2(g) → 2NO2 (g)
Based on this value and the standard enthalpies of formation for the other
substances, the standard enthalpy of formation of NO2 (g) is
kJ/mol.
Substance AH (kJ/mol)
NO(g)
O₂(g)
90.3
0.0
Transcribed Image Text:A scientist measures the standard enthalpy change for the following reaction to be - 112.2 kJ: 2NO(g) + O2(g) → 2NO2 (g) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of NO2 (g) is kJ/mol. Substance AH (kJ/mol) NO(g) O₂(g) 90.3 0.0
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