Reactants Capable of Interacting to Form Products in a Chemical

question 36

Multiple Choice

Reactants capable of interacting to form products in a chemical reaction must first overcome a thermodynamic barrier known as the reaction's

• A) entropy.
• B) activation energy.
• C) endothermic level.
• D) equilibrium point.
• E) free-energy content.

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Definitions:

Common Cold

A viral infection of the upper respiratory tract that is characterized by symptoms such as sneezing, coughing, a sore throat, and a runny nose.

Influenza

A highly contagious viral infection that attacks the respiratory system, often referred to as the flu.

Allergy

An immune system reaction to a foreign substance, such as pollen, bee venom, pet dander, or a certain food, that doesn't cause a reaction in most people.

Nasal Discharge

Fluid ejected from the nose, which can vary in texture and color and may be a symptom of infection or allergy.