Use the Δ_fH° and Δ_rH° Information Provided to Calculate Δ_fH°

question 65

Multiple Choice

Use the Δ_fH° and Δ_rH° information provided to calculate Δ_fH° for IF: Δ_fH° (kJ mol^-1₎ IF₇(g) + I₂(g) → IF₅(g) + 2IF(g) Δ_rH° = -89 kJ
IF₇(g) -941
IF₅(g) -840

• A)101 kJ mol^-1
• B)-146 kJ mol^-1
• C)-190. kJ mol^-1
• D)-95 kJ mol^-1
• E)24 kJ mol^-1

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