Balancing Equations

Front

Which side of a chemical equation is the reactant side?

Back

Left (before the yields sign)

Front

What is the balanced equation for PCl₅ + ___ H₂O → ___ HCl + H₃PO₄?

Back

4, 5

Front

How many atoms of carbon (C) are in C₆H₁₂O₆?

Back

6

Front

Is the equation balanced?: 2H₂O + O₂ → 4MgO + 3Fe?

Back

No

Front

Balance the equation: __ Al + __ FeO → Al₂O₂ + __ Fe

Back

2, 2, 2

Front

What is a chemical equation?

Back

A representation of a chemical reaction using symbols and formulas.

Front

What does it mean for a chemical equation to be balanced?

Back

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

Front

What is the law of conservation of mass?

Back

Matter cannot be created or destroyed in a chemical reaction.

Front

What are coefficients in a chemical equation?

Back

Numbers placed before compounds to indicate the number of molecules involved.

Front

What is a reactant?

Back

A substance that undergoes a chemical change in a reaction.