Comprehensive study of GED science covering fundamental concepts and advanced applications.
Chemistry explores how substances interact and change. A chemical reaction happens when substances combine or break apart to form new substances.
In a chemical reaction, atoms are rearranged but not created or destroyed. The number of atoms on each side of the equation must be equal.
Chemical reactions are everywhere: cooking, cleaning, and even in our bodies!
"H_2 + O_2 \rightarrow H_2O"
\[H_2 + O_2 \rightarrow H_2O\]
Vinegar and baking soda mix to make bubbles of carbon dioxide gas.
Iron rusts when it reacts with oxygen and water.
Chemical reactions create new substances by rearranging atoms.