Balancing Equations, Types of Reactions, &Endo vs Exothermic

Front

What happens to the temperature in an exothermic reaction?

Back

The temperature increases.

Front

How many nitrogen atoms are present in the compound NH₃?

Back

There is 1 nitrogen atom.

Front

What type of reaction is represented by the equation 3KOH + H₃PO₄ → K₃PO₄ + 3H₂O?

Back

It is a double displacement reaction.

Front

What is the term for the number placed in front of a compound or element in a chemical equation?

Back

It is called a coefficient.

Front

In an endothermic reaction, what happens to heat?

Back

Heat is taken in.

Front

What is the definition of an exothermic reaction?

Back

An exothermic reaction is a chemical reaction that releases heat.

Front

What is the definition of an endothermic reaction?

Back

An endothermic reaction is a chemical reaction that absorbs heat.

Front

What is the significance of coefficients in a balanced chemical equation?

Back

Coefficients indicate the relative amounts of reactants and products in a chemical reaction.

Front

What is the general form of a double displacement reaction?

Back

AB + CD → AD + CB, where two compounds exchange components.

Front

What is the difference between a reactant and a product in a chemical reaction?

Back

Reactants are substances that undergo a chemical change, while products are the substances formed as a result of the reaction.