Estimate the Enthalpy Change for the Combustion of One Mole $\equiv$

question 109

Multiple Choice

Estimate the enthalpy change for the combustion of one mole of acetylene, C₂H₂, to form carbon dioxide and water vapor.
BE(C-H) = 456 kJ/mol
BE(C $\equiv$ C) = 962 kJ/mol
BE(O=O) = 499 kJ/mol
BE(C=O) = 802 kJ/mol
BE(O-H) = 462 kJ/mol

• A) +1010 kJ/mol
• B) +653 kJ/mol
• C) -155 kJ/mol
• D) -1010 kJ/mol
• E) -1759 kJ/mol

---

Definitions:

Free-Exercise Clause

A clause in the First Amendment of the U.S. Constitution which states that government (state and federal) cannot make a law "prohibiting the free exercise" of religion; has been interpreted as including absolute freedom to believe and freedom to act, which may face state restriction.

First Amendment

A core provision of the United States Constitution that protects freedoms concerning religion, expression, assembly, and the right to petition.

Right to Privacy

the right to be free from intrusion or interference in one's personal life and affairs.

Fifth Amendment

A part of the U.S. Constitution that protects individuals from self-incrimination and double jeopardy, and guarantees the right to due process.