Using Hess's Law, What Is the Standard Enthalpy of Formation

question 5

Multiple Choice

Using Hess's law, what is the standard enthalpy of formation, ΔH°_f of manganese(II) oxide, MnO(s) ?

• A) -520.9 kJ/mol
• B) -396.5 kJ/mol
• C) -384.9 kJ/mol
• D) -147.6 kJ/mol
• E) 24 kJ/mol

---

Definitions:

Inspect

To look over carefully in order to check the state or condition, or to detect flaws.

Conforming Goods

Goods that conform to contract specifications.

Measure Of Recovery

The methods or calculations used to determine the amount of damages to be recovered in a legal suit, typically financial compensation for loss or injury.

Market Price

The current price at which an asset or service can be bought or sold on the open market.