Hydrochloric Acid (HCl) Reacts with Sodium Hydroxide (NaOH) to Form

question 21

Multiple Choice

Hydrochloric acid (HCl) reacts with sodium hydroxide (NaOH) to form sodium chloride (NaCl) and water. If H° = -56.13 kJ/mol and S° = 79.11 J/mol · K, what is G° for this reaction at 20°C?

• A) -79.31 kJ/mol
• B) -77.73 kJ/mol
• C) -2.324  10⁴ kJ/mol
• D) 79.31 kJ/mol
• E) -1638 kJ/mol

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Definitions:

Spinal Reflexes

Automatic, involuntary movements or actions of the body initiated in the spinal cord without the involvement of the brain.

Somatic Nervous System

The part of the peripheral nervous system that controls voluntary movements of the body and transmits sensory information to the central nervous system.

Corpus Callosum

The large band of neural fibers connecting the two hemispheres of the brain, facilitating interhemispheric communication.

Cortex

The outer layer of the cerebrum of the brain, involved in complex brain functions including memory, attention, perceptual awareness, thought, language, and consciousness.