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7 November, 20:42

How many kilojoules are absorbed when 0.772 mol of N2 (g) reacts? N2 (g) + 2NO (g) → 2N2O (g) ΔH = 73.8 kJ

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  1. 7 November, 20:57
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    56.97kJ

    Explanation:

    1 mole of N2 reacts with 73.8kJ

    0.772 mole of N2 reacts with xkJ

    cross multiply

    x = 0.772*73.8

    =56.97kJ
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