Physical Science: Balancing Equations

Front

What does the arrow in the recipe represent?

Back

Yields

Front

How many carbon atoms are in C6H12O6?

Back

6

Front

Which problem is balanced? SO2 + H2O --> H2SO4 or 2Na + 2H2O --> 2NaOH + H2?

Back

2Na + 2H2O --> 2NaOH + H2

Front

In a chemical equation, the blue numbers represent ________

Back

subscripts

Front

Is the chemical equation balanced? Yes or No?

Back

Yes

Front

What are reactants in a chemical equation?

Back

Substances that undergo a chemical change.

Front

What are products in a chemical equation?

Back

Substances formed as a result of a chemical reaction.

Front

What is a coefficient in a chemical equation?

Back

A number placed in front of a compound to indicate how many molecules are involved.

Front

What is the law of conservation of mass?

Back

Mass is neither created nor destroyed in a chemical reaction.

Front

What does it mean to balance a chemical equation?

Back

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