Given the Following Two Reactions and Their Corresponding Equilibrium Constants

question 19

Multiple Choice

Given the following two reactions and their corresponding equilibrium constants, K c , at 298 K:
1 / 2 N₂(g) + 1 / 2 O₂ NO (g) K c1 = 6.49*10^{- 16} 2 NO₂ (g) 2 NO (g) + O₂(g) K c2 = 4.25*10^{- 13} What would be the equilibrium constant , K c , for the net reaction given below?
N₂(g) + 2 O₂(g) 2 NO₂ (g) K c, net = ??

• A) 1.79×10 ^{- 43}
• B) 2.76×10 ^{- 28}
• C) 9.91×10 ^{- 19}
• D) 1.53×10 ^{- 3}
• E) 5.99×10⁴

---

Definitions:

Diaphoretic

Pertaining to sweating, especially profuse sweating, as a medical symptom or bodily response.

Temperature Variation

Fluctuations in temperature over a certain period or across different locations.

Infection

Invasion of the body by pathogenic microorganisms that reproduce and multiply.

Brachial Artery

A major blood vessel of the upper arm that supplies blood to the arm and hand.