Practice - Representation of Chemical Reactions
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Practice Questions
Test your understanding with targeted questions
What is a word equation?
💡 Hint: Think about writing a sentence about what happens in a reaction.
Write a word equation for the reaction of sodium with chlorine.
💡 Hint: Consider what products are formed when sodium reacts with chlorine.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does a word equation describe?
💡 Hint: Think about how we communicate reactions without symbols.
True or False: Chemical equations must always be balanced.
💡 Hint: Consider how mass behaves in reactions.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Balance the equation for the combustion of ethanol (
C₂H₅OH) and write both the word and chemical equations.
💡 Hint: Identify the products of the combustion reaction and ensure there's an equal number of atoms on both sides.
For the reaction between calcium and water to form calcium hydroxide and hydrogen gas, provide both word and balanced chemical equations.
💡 Hint: Recognize the products and remember to balance the equation according to the number of atoms.
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