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Use the Standard Reaction Enthalpies Given Below to Determine ΔH°rxn

Question 116

Multiple Choice

Use the standard reaction enthalpies given below to determine ΔH°rxn for the following reaction: P4(g) + 10 Cl2(g) → 4 PCl5(s) ΔH°rxn = ?
Given:
PCl5(s) → PCl3(g) + Cl2(g) ΔH°rxn = +157 kJ
P4(g) + 6 Cl2(g) → 4 PCl3(g) ΔH°rxn = -1207 kJ


A) -1835 kJ
B) -1364 kJ
C) -1050. kJ
D) -1786 kJ
E) -2100. kJ

Correct Answer:

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