Chemical Reactions and Balancing Equations

Front

What is the left part of a chemical equation called?

Back

Reactants

Front

What type of reaction occurs in a hand warmer?

Back

Exothermic

Front

Does this follow the law of conservation of mass? Yes or No?

Back

Yes

Front

How many HCl are needed in the reaction: Mg + ___ HCl → MgCl2 + H2?

Back

2

Front

When iron nails get rusty, heat is released. What process is this?

Back

Exothermic

Front

What is the right part of a chemical equation called?

Back

Products

Front

What is the law of conservation of mass?

Back

Mass is neither created nor destroyed in a chemical reaction.

Front

What is an endothermic reaction?

Back

A reaction that absorbs heat from its surroundings.

Front

What is an exothermic reaction?

Back

A reaction that releases heat to its surroundings.

Front

What is a balanced chemical equation?

Back

An equation where the number of atoms for each element is the same on both sides.