Problem: Write the balanced overall equation (equation 3) for the following process, calculate ΔHoverall, and match the number of each equation with the letter of the appropriate arrow in Figure P6.72:(1) N2 (g) + O2 (g) ⟶ 2NO (g)                Δ  H = 180.6 kJ(2) 2NO (g) + O2 (g) ⟶ 2NO2 (g)           Δ H = −114.2 kJ--------------------------------------------------------------------------------------------(3)                                                 ΔH     overall = ?

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Write the balanced overall equation (equation 3) for the following process, calculate ΔHoverall, and match the number of each equation with the letter of the appropriate arrow in Figure P6.72:

(1) N2 (g) + O2 (g) ⟶ 2NO (g)                Δ  H = 180.6 kJ
(2) 2NO (g) + O2 (g) ⟶ 2NO2 (g)           Δ H = −114.2 kJ

--------------------------------------------------------------------------------------------
(3)                                                 ΔH     overall = ?

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