Which of the Following Is TRUE About a Chemical System

question 54

Multiple Choice

Which of the following is TRUE about a chemical system in equilibrium?

• A)No reaction takes place.
• B)Temperature changes have no effect on reaction rate.
• C)Addition of more reactants have no effect on reaction rate.
• D)Reaction rate remains stable as long as temperature and pressure are stable.
• E)none of the above

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Definitions:

Hormones

Hormones are chemical messengers produced by glands in the endocrine system, traveling through the bloodstream to regulate processes such as growth, metabolism, and reproduction.

Neurotransmitters

Chemical substances in the brain that transmit signals across synapses between neurons, influencing various functions and behaviors.

Chemical Identity

The unique combination of chemical properties and composition that distinctly identifies a substance from others.

Pituitary Gland

A tiny gland in the endocrine system situated at the brain's foundation, responsible for generating hormones that affect different physical activities.