What Is the Free Energy Change for the Reaction SiO₂(s) $\rarr$

question 8

Multiple Choice

What is the free energy change for the reaction SiO₂(s) + Pb(s) $\rarr$ PbO₂(s) + Si(s)
$\Delta$ G ^$\circ$ _f (PbO₂) = -217 kJ/mol
$\Delta$ G ^$\circ$ _f (SiO₂) = -856 kJ/mol

• A) 619 kJ/mol
• B) 639 kJ/mol
• C) 659 kJ/mol
• D) 679 kJ/mol
• E) None of the above

---

Definitions:

Identification

The process of recognizing or establishing the identity of a person or thing.

Businesses

Businesses refer to organizations or entities engaged in commercial, industrial, or professional activities, aiming to generate profits.

Cash Account Balance

The amount of money available in a company’s or individual's cash account at a given time.

Cash Receipts

Money received by a business during a given period, including cash sales, received payments on accounts receivable, and other cash inflows.