Using the standard enthalpies of formation calculate the standard enthalpy of reaction for the combustion of propane: C3H8(g) + 5O2 → 3 CO2(g) + 4H2O
CO2(g) = -393.5 kJ/mol O2 = 0 kJ/mol H2O = -284 kJ/mol C3H8(g) = -272.5 kJ/mol

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An atom of lithium (li) and an atom of chlorine (cl) engage in a chemical reaction. which correctly describes the structure of the resulting chemical compound? hint: consider the class of each element. the chemical compound will have a network structure. the chemical compound will have triple bonds. the chemical compound will have a ball-and-stick structure. the chemical compound will have double bonds.

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