Calculate the standard enthalpy change for the combustion of lactic acid, C3H6O3.Given: Hf° (lactic acid) = -671 kJ/mole; Hf H2O = -242.83; CO2 = -393.5; O2 = 0 kJ/mol.( Hrxn = Hproducts - Hreactants; Hrxn = Bond broken - Bonds made)
A) 345 kJ/mol
B) -656 kJ/mol
C) 1238 kJ/mol
D) -1238 kJ/mol
E) -5346 kJ/mol
Correct Answer:
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