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Use standard enthalpies of formation to calculate Hrxn for the following reaction: C2H5OH(l)+3O2(g)2CO2(g)+3H2O(g) Use standard enthalpies of formation to calculate Hrxn for the following reaction:

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Use standard enthalpies of formation to calculate Hrxn for the following reaction: C2H5OH(l)+3O2(g)2CO2(g)+3H2O(g) Use standard enthalpies of formation to calculate Hrxn for the following reaction: SO2(g)+21O2(g)SO3(g) Express your answr using three significant figures. Use standard enthalpies of formation to calculate Hrxn for the following reaction: C(s)+H2O(g)CO(g)+H2(g) Express your answer using four significant figures. CaO(s)+CO2(g)CaCO3(s)

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