Balancing Chemical Equations

Front

What do we change when balancing chemical equations?

Back

Coefficients

Front

What law governs the balancing of chemical equations?

Back

Law of Conservation of Matter/Mass

Front

How many HCl molecules are needed to balance the equation: Mg + __HCl -> MgCl2 + H2?

Back

2

Front

What are the substances on the right side of a chemical equation called?

Back

Products

Front

If 100 grams of vinegar and 5 grams of baking soda are mixed, what will be the final mass of the products if the gas is trapped?

Back

105 g

Front

What is a chemical equation?

Back

A representation of a chemical reaction using symbols and formulas.

Front

What is the purpose of balancing chemical equations?

Back

To ensure that the number of atoms of each element is the same on both sides of the equation.

Front

What are reactants in a chemical equation?

Back

Substances that undergo a chemical change during a reaction.

Front

What is the difference between coefficients and subscripts in a chemical formula?

Back

Coefficients indicate the number of molecules, while subscripts indicate the number of atoms in a molecule.

Front

What does the arrow in a chemical equation represent?

Back

The direction of the reaction, indicating reactants turning into products.