Chemistry Final Exam Review Fall 2024

Front

How does heat flow?

Back

Always from warm to cold.

Front

In every chemical reaction, __________________.

Back

mass and atoms are conserved.

Front

Complete the following reaction: H₃PO₄ + NaOH --> ?

Back

Na₃PO₄ + H₂O.

Front

According to the electron sea model, what is responsible for the properties of metals?

Back

Movement of free electrons within the metal compound.

Front

Balance the following equation: 14₆C --> 0₋1e + ________

Back

14₇N.

Front

What is the law of conservation of mass?

Back

Mass is neither created nor destroyed in a chemical reaction.

Front

Define an exothermic reaction.

Back

A reaction that releases energy in the form of heat.

Front

What is an endothermic reaction?

Back

A reaction that absorbs energy from its surroundings.

Front

What is the pH scale?

Back

A scale that measures how acidic or basic a solution is, ranging from 0 to 14.

Front

What is a catalyst?

Back

A substance that increases the rate of a chemical reaction without being consumed.