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Use the ΔH°f and ΔH°rxn Information Provided to Calculate ΔH°f

Question 142

Multiple Choice

Use the ΔH°f and ΔH°rxn information provided to calculate ΔH°f for IF: ΔH°f (kJ/mol) IF7(g) + I2(g) → IF5(g) + 2 IF(g) ΔH°rxn = -89 kJ
IF7(g) -941
IF5(g) -840


A) 101 kJ/mol
B) -146 kJ/mol
C) -190. kJ/mol
D) -95 kJ/mol
E) 24 kJ/mol

Correct Answer:

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