When Writing an Equation, Unknown Quantities Are Represented By

question 4

Multiple Choice

When writing an equation, unknown quantities are represented by:

• A) parentheses
• B) numbers
• C) symbols
• D) letters

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Definitions:

Free Energy

A thermodynamic quantity representing the amount of energy in a system that is available to do work at a constant temperature and pressure.

Reactants

Substances initially present in a chemical reaction that are consumed during the reaction to make products.

Products

The substances that result from a chemical reaction, found on the right side of a chemical equation.

Exergonic Reaction

A chemical reaction where energy is released to the surrounding environment, typically characterized by a negative Gibbs free energy.