If G = 27

question 85

Multiple Choice

If G = 27.1 kJ at 25C for the reaction CH₃COOH(aq) + H₂O(l) CH₃COO^(aq) + H₃O⁺(aq)
What is K_a for this reaction at 298 K?

• A)1.15  10 ^{ 11}
• B)5.63  10⁴
• C)1.78  10 ^{ 5}
• D)1.01
• E)9.89  10 ^{ 1}

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A compound or chemical that is produced within an organism or a biological system rather than being introduced from the environment.

Gastric Acid

The hydrochloric acid secreted by the stomach lining, essential for the digestive process.

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Chemical substances that transmit signals across a synapse from one neuron to another.

Serotonin

A neurotransmitter that affects mood, appetite, sleep, and other cognitive and physiological processes.