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What happens to atoms during a chemical reaction?
Ice melting into water is a chemical reaction.
To balance a chemical equation, what are you allowed to change?
Most chemical reactions go faster when they are colder.
In the balanced equation 2N₂ + 5O₂ → 2N₂O₅, how many oxygen atoms are on each side?
Which of these equations for hydrogen burning in oxygen to make water is correctly balanced?
In a sealed container, 16.04 g of methane reacts completely with 64.00 g of oxygen. What is the total mass of the products, in grams?
Using collision theory, explain why raising the temperature usually increases a reaction's rate even though it barely changes how often particles collide in the right orientation.