Reactants and Products Flashcardizz

Front

What is a reactant in a chemical reaction?

Back

A reactant is a substance that is present at the start of a chemical reaction and is consumed during the reaction to form products.

Front

Where are reactants located in a chemical equation?

Back

Reactants are always located on the left side of a chemical equation.

Front

What is a product in a chemical reaction?

Back

A product is a new substance that is formed as a result of a chemical reaction.

Front

Where are products located in a chemical equation?

Back

Products are always located on the right side of a chemical equation.

Front

What does the arrow in a chemical equation represent?

Back

The arrow in a chemical equation represents the direction of the reaction, indicating that reactants are transformed into products.

Front

What is the significance of coefficients in a chemical equation?

Back

Coefficients indicate the number of molecules or moles of a substance involved in the reaction.

Front

What is the law of conservation of mass?

Back

The law of conservation of mass states that mass is neither created nor destroyed in a chemical reaction; the total mass of reactants equals the total mass of products.

Front

What is a balanced chemical equation?

Back

A balanced chemical equation has the same number of each type of atom on both sides of the equation, ensuring the law of conservation of mass is followed.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change alters the form of a substance but not its chemical composition, while a chemical change results in the formation of new substances.

Front

What is an example of a chemical reaction?

Back

An example of a chemical reaction is the combustion of hydrogen gas with oxygen to form water: @@2H_2 + O_2 ightarrow 2H_2O@@.