Chemistry Final Exam Review

Front

What part of the atom is green?

Back

Neutrons are often represented in green in educational materials.

Front

What reaction has the following general formula: AB --> A + B?

Back

This is a Decomposition reaction, where a compound breaks down into simpler substances.

Front

What is the molarity of 9 moles of hydrochloric acid in 3 L of water?

Back

The molarity is 3 M (moles per liter).

Front

List the substances from most basic to acidic: lemon juice (pH 2), baking soda (pH 9), bleach (pH 12), milk (pH 6).

Back

Bleach (pH 12), Baking soda (pH 9), Milk (pH 6), Lemon juice (pH 2).

Front

What are the coefficients that will balance the equation: AlCl3 + NaOH → Al(OH)3 + NaCl?

Back

The coefficients are 1, 3, 1, 3.

Front

Define Molarity.

Back

Molarity is a measure of concentration, defined as the number of moles of solute per liter of solution.

Front

What is the pH scale?

Back

The pH scale measures how acidic or basic a solution is, ranging from 0 (very acidic) to 14 (very basic), with 7 being neutral.

Front

What is a Synthesis reaction?

Back

A Synthesis reaction is a type of chemical reaction where two or more reactants combine to form a single product.

Front

What is a Chemical Equation?

Back

A Chemical Equation is a symbolic representation of a chemical reaction, showing the reactants and products.

Front

What is the difference between an Acid and a Base?

Back

Acids donate protons (H+) in a solution, while bases accept protons.