Which of the Following Statements Is Correct for the First-Order $\to$

question 48

Multiple Choice

Which of the following statements is correct for the first-order reaction: A $\to$ 2B?

• A) The concentration of A decreases linearly with respect to time.
• B) The concentration of A is constant with respect to time.
• C) The natural logarithm of the concentration of A decreases linearly with respect to time.
• D) The rate of reaction is constant with respect to time.
• E) The rate constant,k,of the reaction decreases linearly with respect to time.

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Definitions:

Stirrup

The stirrup, or stapes, is a small bone in the middle ear that plays a key role in the transmission of sound vibrations to the inner ear.

Middle Ear

A part of the ear between the eardrum and the inner ear, containing three small bones that help transmit sound.

Sound Wave

A type of wave that is an audible vibration that travels through air or other media and is perceived by the human ear.

Amplitude

The extent of displacement of a wave or oscillation, indicative of the wave's energy or intensity.