MCAT Question of the Day
    •

    Q:

    		 What is the enthalpy change (ΔH) of the reaction 2NO + O2 → 2NO2 given the following information:

    N2 + O2 → 2NO (ΔH = 180 kJ)
    N2 + 2O2 → 2NO2 (ΔH = 68 kJ)

    		 

    A

    		 112 kJ

    B

    		 -112 kJ

    C

    		 248 kJ

    D

    		 -248 kJ



    Thermochemistry |
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