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2 cards from this section. Quick, good the night before a test.
What does the Law of Conservation of Mass state?
Think about what happens to mass in a chemical reaction.
Provide an example of a closed system.
Consider situations where products of a reaction stay contained.
What does the Law of Conservation of Mass state?
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.
Think if this principle can ever be violated.
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.
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.
Think about everyday examples of losing material during a reaction.
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