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Part A: For which of the following reactions is ΔH∘rxn equal to ΔH∘f of the product(s)?...

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Chemistry

Part A: For which of the following reactions is ΔH∘rxn equal toΔH∘f of the product(s)? You do not need to look up any values toanswer this question.

2Li(s)+F2(g)→2LiF(s)

S(s)+O2(g)→SO2(g)

Li(s)+12F2(g)→LiF(s)

SO(g)+12O2(g)→SO2(g)

SO3(g)→12O2(g)+SO2(g)

Li(s)+12F2(l)→LiF(s)

Part B: The combustion of propane, C3H8, occurs via thereaction

C3H8(g)+5O2(g)→3CO2(g)+4H2O(g)

with heat of formation values given by the following table:

SubstanceΔH∘f
(kJ/mol)
C3H8 (g)-104.7
CO2(g)−393.5
H2O(g)−241.8

Calculate the enthalpy for the combustion of 1 mole ofpropane.

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Part A For which of the following reactions is Hrxn equal to Hf of the products You do not need to look up any values to answer this question In order for a reaction    See Answer
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