The Equilibrium Constant for the Gas Phase Reaction 2SO₂ (G)

question 26

Multiple Choice

The equilibrium constant for the gas phase reaction 2SO₂ (g) + O₂ (g) 2SO₃ (g)
Is K_eq = 2.80 × 10² at 999 K. At equilibrium, ________.

• A)products predominate
• B)reactants predominate
• C)roughly equal amounts of products and reactants are present
• D)only products are present
• E)only reactants are present

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Definitions:

Free Nerve Ending

Sensory receptors found throughout the body that respond to pain, temperature, and touch.

Odorant Molecules

Chemical particles capable of being detected by the sensory neurons in the nose, leading to the perception of smell.

Mucous

A slippery secretion produced by, and covering, mucous membranes, typically serving to protect and lubricate surfaces.

Thalamus

A structure in the brain that acts as a principal hub for processing and relaying sensory information to the appropriate areas of the cortex.