Chemical equations

Balancing chemical equations


How do you know if a chemical equation is balanced? What can you change to balance an equation? Play a game to test your ideas!

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Reactants, products and leftovers


Create your own sandwich and then see how you can make many sandwiches with different amounts of ingredients. Do the same with chemical reactions. See how many products you can make with different amounts of reactants, products and leftovers Can you get a perfect score on each level?

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Law of Definite Proportions


In a reaction between hydrogen and oxygen to form water, two atoms of hydrogen combine with one atom of oxygen to form a water molecule. Hydrogen and oxygen always react in a 2:1 ratio to form water.
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General chemistry

Inorganic chemistry

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