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

question 123

Multiple Choice

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

• A) F₂(g) + ½O₂(g) → F₂O(g)
• B) O₂(g) + 2H₂(g) → 2H₂O(g)
• C) H₂(g) + ½O₂(g) + → H₂O(l)
• D) Ti(s) + 2Cl₂(g) → TiCl₄(l)
• E) ½H₂(g) + ½Cl₂(g) → HCl(g)

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Definitions:

Fixed Cost

Expenses that do not change with the volume of production or business activity, such as rent, salaries, and insurance premiums.

Production Increases

A rise in the amount or level of output that a production system generates over a specific period.

High-low Method

A cost accounting technique used to estimate variable and fixed costs based on the highest and lowest levels of activity within a given period.

Variable Cost

Costs that vary directly with the level of production or sales volume. They include raw materials, labor directly involved in production, and sales commissions.