What Is the Equilibrium Constant for Reaction Below at 25 $\circ$

question 45

Multiple Choice

What is the equilibrium constant for reaction below at 25 ^$\circ$ C? (R = 8.314 J/K.mol)
2 NO(g) + O₂(g) 2 NO₂(g)
Given $\Delta$ _fG ^$\circ$ [NO(g) ] = +86.6 kJ/mol and $\Delta$ _fG ^$\circ$ [NO₂(g) ] = +51.2 kJ/mol.

• A) 3.9 \(\times\) 10^-13
• B) 1.0
• C) 2.6 \(\times\) 10¹²
• D) 1.6 \(\times\) 10⁶
• E) 3.8 \(\times\) 10²⁸

---

Definitions:

Partnership

A legal form of business operation between two or more individuals who share management and profits.

Partner

An individual who shares ownership of a business or an endeavor with one or more persons, often sharing in profits and responsibilities.

Profitability

The degree to which a business or activity yields financial profit or gain, often measured as a ratio of net income to revenue.

Guarantee

A formal promise or assurance, often provided by a third party, that certain conditions or obligations will be met.