Calculate the standard enthalpy of formation of NO(g) (in kJ/mol) from the following data. N2(g) +...

Question

Question

Calculate the standard enthalpy of formation of NO(g) (in kJ/mol) from the following data.

N₂(g) + 2 O₂(g) → 2 NO₂(g)

ΔH^⁰₂₉₈

= 66.4 kJ 2 NO(g) + O₂(g) → 2 NO₂(g)

ΔH^⁰₂₉₈

= −116.2 kJ

Answer 1

Answer #1

On reversing the equation,dH gets changed the sign. That means if forward reaction is endothermic then backward reaction is exothermic.

Answer 2

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