QuestionThermochemistry / Kirchhoff’s equation
Consider the following data table for the reaction N₂ (g) + 3H₂ (g) ⟶ 2NH₃ (g) Δ_rH°₁₀₀₀ = − 124 kJ mol⁻¹ at 1000 K : (where, R = 8·3 J K⁻¹ mol⁻¹)
What will be the approximate heat of formation of NH₃ at 300 K ?
- (a) − 35·0 kJ mol⁻¹
- (b) − 45·7 kJ mol⁻¹
- (c) − 55·4 kJ mol⁻¹
- (d) − 65·8 kJ mol⁻¹
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