The Equilibrium Constant for the Reaction Below Is 7

question 8

Multiple Choice

The equilibrium constant for the reaction below is 7.2 × 10^-4 at 298 K and 1 atm.
HNO₂(aq) + H₂O(l) ⇌ NO₂^-(aq) + H₃O⁺(aq)
Which of the below statements is TRUE under the following conditions:
[HNO₂(aq) ] = 1.0 M and [NO₂^-(aq) ] = [H₃O⁺(aq) ] = 1.0 × 10^-5 M

• A)the reaction is at equilibrium
• B)the forward reaction is spontaneous
• C)the reverse reaction is spontaneous
• D)the forward reaction is endothermic
• E)the reverse reaction is exothermic

---

Definitions:

Maintained

Kept in an existing state or preserved from failure or decline.

Maslow's Hierarchy

A psychological theory proposed by Abraham Maslow that categorizes human needs into a five-tier model, in ascending order: physiological, safety, love/belonging, esteem, and self-actualization.

Self-Actualization

The realization or fulfillment of one's talents and potentialities, considered as a drive or need present in everyone.

Maslow's Hierarchy

A theory of psychological health predicated on fulfilling innate human needs in priority, culminating in self-actualization.