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

---

Definitions:

Organic Product

A chemical compound primarily made of carbon atoms, formed as a result of organic reactions.

Reaction Structure

The detailed arrangement of atoms and bonds in the reactants and products of a chemical reaction.

Reaction Structure

The arrangement and connectivity of atoms and the types of chemical bonds within the species participating in a chemical reaction.

Organic Product

A compound containing carbon atoms that have been created as the result of a chemical reaction involving organic molecules.