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4. Consider the reaction H2(g)+1/2O2(g)H2O(l)H=286kJ Which of the following is true? A. The reaction is exothermic. B. The reaction is endothermic. C. The enthalpy of

4. Consider the reaction H2(g)+1/2O2(g)H2O(l)H=286kJ Which of the following is true? A. The reaction is exothermic. B. The reaction is endothermic. C. The enthalpy of the products is less than that of the reactants. D. Two of these are true

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