Which of the Following Has a Standard Enthalpy of Formation

question 14

Multiple Choice

Which of the following has a standard enthalpy of formation of zero?

• A) Ar(g)
• B) I₂(g)
• C) Br₂(g)
• D) O₃(g)
• E) P(s, red)

---

Definitions:

Oligopolistic Industry

A market structure characterized by a small number of firms dominating the market, leading to strategic interactions in pricing and output.

Economic Efficiency

A situation where the distribution of resources is designed to enhance the production of goods and services maximally.

Demand Conditions

Factors that affect consumer desire for a product or service, including income levels, tastes, and price of substitutes.

Cost Conditions

The various expenses that firms face related to the production and sale of goods or services, including raw materials, labor, and overhead costs.