It will have a square with Welcome to Chembalancer. Click directions. Read through the directions. When finished reading directions click ok. Then click start game.
As you type the numbers to balance the equation, it will show you visually how many you are putting in. Make sure the number of each individual element is the same on both the reactant and the product side. Remember you must multiply across parentheses, and you count the individual elements in a poly.
Make sure you put in ones for the coefficients or it will count it wrong.
When you think you have it balanced , click balanced in the top right corner of the green square. Notice it tells you interesting things about the reaction.