The First-Order Decomposition of N₂O at 1000 K Has a Rate

question 29

Multiple Choice

The first-order decomposition of N₂O at 1000 K has a rate constant of 0.76 s^-1.If the initial concentration of N₂O is 10.9 M,what is the concentration of N₂O after 9.6 s?

• A) 7.4 × 10^-3 M
• B) 1.0 × 10^-3 M
• C) 1.4 × 10^-3 M
• D) 3.6 × 10^-3 M
• E) 8.7 × 10^-3 M

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Pons

A part of the brainstem that links the medulla oblongata and the thalamus, critical for regulating breathing and sleep cycles.

Diencephalon

A region of the brain that includes structures such as the thalamus and hypothalamus, involved in sensory and autonomic functions.

Third Ventricle

One of the four connected fluid-filled cavities within the brain, part of the ventricular system, situated in the midline of the brain beneath the corpus callosum.

Cranial Nerves

Twelve pairs of nerves that emerge directly from the brain (not the spinal cord), responsible for conveying sensory and motor information to and from the head and neck.