Which of the Following Statements Is Incorrect Concerning the Thermochemical

question 70

Multiple Choice

Which of the following statements is incorrect concerning the thermochemical equation below?
2SO₃(g) → 2SO₂(g) + O₂(g) ; ΔH° = 198 kJ

• A)The enthalpy of the reactants exceeds that of the products.
• B)The reaction is endothermic.
• C)For the reaction 2SO₂(g)+ O₂(g)→ 2SO₃(g),ΔH° = -198 kJ.
• D)The external pressure is 1 atm.
• E)For every mole of SO₃(g)consumed,99 kJ of heat at constant pressure is consumed as well.

---

Definitions:

Machine-Hours

A measure of production time, indicating how many hours machines are operated in the manufacturing process.

Manufacturing Overhead

All indirect costs associated with the production process, such as utilities, maintenance of factory equipment, and salaries of factory supervisors.

Job Cost

The total cost of materials, labor, and overhead allocated to a specific job or project.

Unit Product Cost

The cost assigned to a single unit of product, combining direct materials, direct labor, and manufacturing overhead expenses.