Which Equation Has a ΔH_rxn That Is Not Equal to ΔH^o_f

question 103

Multiple Choice

Which equation has a ΔH_rxn that is not equal to ΔH^o_f of the product?

• A) O₂(g) + H₂(g) → H₂O₂(g)
• B) ½O₂(g) + H₂(g) → H₂O(g)
• C) H₂(g) + ½O₂(g) + → H₂O(l)
• D) NO(g) + ½O₂(g) → NO₂(l)
• E) ½H₂(g) + ½Cl₂(g) → HCl(g)

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Definitions:

Bargaining Agent

An individual or organization designated to represent and negotiate on behalf of a group, typically employees in discussions with their employer.

Employees

Individuals who are hired by an employer to perform specific jobs in exchange for compensation.

Unemployment Rate

The percentage of the labor force that is unemployed and actively seeking employment.

Bargaining Unit

A group of employees with a clear and identifiable community of interests, recognized by an employer or by law, that is represented collectively in negotiations with the employer.