Given the following thermochemical equations, NO(g) + O3(g) → NO2(g) + O2(g) ΔH = −198.9 kJ/mol O3(g) → 3 2 O2(g) ΔH = −142.3 kJ/mol O2(g) → 2O(g) ΔH = +495 kJ/mol determine the enthalpy change for the reaction 2NO2(g) → 2NO(g) + O2(g) ΔH = kJ/mol

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Arthur

Arthur asked in Science & Mathematics Chemistry · 5 months ago

chem question ?

Given the following thermochemical equations,

NO(g) + O3(g) → NO2(g) + O2(g) ΔH = −198.9 kJ/mol

O3(g) →

O2(g) ΔH = −142.3 kJ/mol

O2(g) → 2O(g) ΔH = +495 kJ/mol

determine the enthalpy change for the reaction

2NO2(g) → 2NO(g) + O2(g)

ΔH =

kJ/mol

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