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5 cards from this section. Quick, good the night before a test.
What is a chemical reaction?
Think about what changes in a process.
What are reactants?
They are what you start with in a reaction.
What do we call the new substances formed in a chemical reaction?
Think about what happens to the starting materials.
True or False: A change in color always indicates a chemical reaction.
Consider other reasons for color changes.
If a metal reacts with an acid to produce hydrogen gas, identify the type of reaction and provide the equation for an example of this.
Look for the metal displacing hydrogen from the acid.
Balance the following chemical equation: C + O₂ → CO₂.
Count the atoms on each side before balancing.
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