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When N2(g) reacts with O2(g) to form NO(g) , 181 kJ of energy are absorbed for each mole of N2(g) that reacts. Write a balanced thermochemical equation for the reaction with an energy term in kJ as part of the equation. Note that the answer box for the energy term is case sensitive. Use the SMALLEST INTEGER coefficients possible and put the energy term (including the units) in the last box on the appropriate side of the equation. If a box is not needed, leave it blank.
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Answer:

N2(g) + O2(g) ----->2NO(g)      ΔH= 181 kJ

Explanation:

The equation of the reaction according to the question should be written with the lowest coefficient. A thermochemical reaction usually includes the enthalpy of reaction as part of the reaction equation

So we have the equation of the reaction as;

N2(g) + O2(g) ----->2NO(g)      ΔH= 181 kJ

The positive enthalpy shows that heat was absorbed in the reaction

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