Chemistry

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Calculate the energy changes associated with each of the following reactions. Label each as endothermic or exothermic.

A.) 2(C2H2)+5(O2)------->4(CO2)+2(H2O)
B.) N2+O2------>2(NO)
C.) NH3+H2O----->NH4OH
D.) 2(BrCl)----->Br2+Cl2

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