What Is the Standard Enthalpy Change for the Combustion of Liquid

question 1

Multiple Choice

What is the standard enthalpy change for the combustion of liquid cyclopentane,C₅H₁₀?
2C₅H₁₀(l) + 15O₂(g) → 10CO₂(g) + 10H₂O(l)
Substance
ΔH°_f (kJ/mol)
C₅H₁₀(l)
-105.6
CO₂(g)
-393.5
H₂O(l)
-285.8

• A)+573.7 kJ
• B)-573.7 kJ
• C)+784.9 kJ
• D)-784.9 kJ
• E)-6581.8 kJ

---

Definitions:

Exchange Loss

A loss resulting from holding foreign currencies that depreciate against the home currency.

Forward Contract

An agreement to purchase or sell an asset at a predetermined future date and price, often used as a hedging instrument against price fluctuations.

Recognition

The process in accounting where certain transactions are recorded in the financial statements of a reporting period.

Discount

A reduction applied to the nominal price or face value of something for promotional purposes, or to reflect current market values.