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Consider the following thermochemical equation: 2 Na 2 O 2 (s) + 2 H 2 O(l) 4 NaOH(s) +

Consider the following thermochemical equation:

            2 Na2O2(s) + 2 H2O(l) 4 NaOH(s) + O2(g) ΔH° = -126 kJ

 

            Calculate the enthalpy change when 41.5 g of Na2O2 with water?

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