5.7 - Chemical Equations
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Practice Questions
Test your understanding with targeted questions
What is a chemical equation?
💡 Hint: Think of it as a sentence in chemistry.
Define reactants.
💡 Hint: Where do they appear in a chemical reaction?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What are reactants in a chemical equation?
💡 Hint: Think about what you start with.
A balanced equation has equal atoms for each element on both sides.
💡 Hint: What does the law say about mass?
1 more question available
Challenge Problems
Push your limits with advanced challenges
Balance the following equation: C₃H₈ + O₂ → CO₂ + H₂O.
💡 Hint: Start by balancing carbon, then hydrogen, then oxygen last.
Write both a word and symbolic equation for the reaction of calcium with water to form calcium hydroxide and hydrogen gas.
💡 Hint: Think about the products formed from the reactants.
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