1.3 - Balancing Chemical Equations
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Practice Questions
Test your understanding with targeted questions
What is the first step in balancing a chemical equation?
💡 Hint: Think about what must be established before checking the conservation of mass.
In the reaction H2 + O2 = H2O, how many hydrogen atoms do we have on the left side?
💡 Hint: Count the atoms carefully from the reactants.
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Interactive Quizzes
Quick quizzes to reinforce your learning
Why is balancing chemical equations necessary?
💡 Hint: Refer back to the principle of mass you learned.
True or False: Only the products in a chemical equation need to be balanced.
💡 Hint: Consider how many reactants exist compared to products.
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Challenge Problems
Push your limits with advanced challenges
Balance the following equation: Al + HCl = AlCl3 + H2.
💡 Hint: Start by balancing aluminum first, followed by chlorine.
Balance the equation for the complete combustion of propane: C3H8 + O2 = CO2 + H2O.
💡 Hint: Focus on balancing carbon, then hydrogen, leaving oxygen last.
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