Chemical Reaction Notes

Fill-in-the-blank practice flashcards covering fundamental chemical reaction concepts, conservation of mass, equilibrium, bond energy, and activation energy.

In a chemical reaction, the starting substances are called __________ and the ending substances are called products.

reactants

During a chemical reaction, reactants change into new substances called __________.

products

Chemical Equilibrium

The amounts of reactants and products rhat remain stable overtime.

In chemical equilibrium, the amounts of reactants and products remain __________ over time.

stable

A chemical equilibrium equation uses a double arrow to show that a reversible reaction goes forward and backward at the __________ rate.

same

All chemical reactions follow the law of __________ of mass, meaning no atoms are created or destroyed.

conservation

The energy stored in chemical bonds is defined as bond energy, which is chemical __________ energy.

potential

All chemical reactions require energy added or absorbed in order to break the __________ of reactants.

bonds

During a chemical reaction, reactant atoms are rearranged and form new bonds to make the __________.

products

The minimum amount of energy needed for reactant molecules to undergo a chemical reaction is called __________ energy.

activation