1.4 - Law of Conservation of Mass
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Practice Questions
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What does the Law of Conservation of Mass state?
💡 Hint: Think about what happens to mass in a chemical reaction.
Provide an example of a closed system.
💡 Hint: Consider situations where products of a reaction stay contained.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does the Law of Conservation of Mass state?
💡 Hint: Recollect situations where mass stays consistent.
True or False: In a chemical reaction, the mass of the products can be different from the mass of the reactants.
💡 Hint: Think if this principle can ever be violated.
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Challenge Problems
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In a closed container, solid A reacts with liquid B to form gas C. If the initial mass is 80 grams and the final mass is 80 grams, describe what would happen if the system were opened.
💡 Hint: Consider what happens to weight in open vs closed systems.
A chemical reaction in a factory initially weighs 200 kg of reactants. After the reaction, 199 kg of products are collected. Discuss possible reasons for the discrepancy.
💡 Hint: Think about everyday examples of losing material during a reaction.
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