SCIENCE 101 > GIZMOS > Chemical Equations Gizmo | Questions and Answers, All Correct Study Guide, Download to Score A (All)

Chemical Equations Gizmo | Questions and Answers, All Correct Study Guide, Download to Score A

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Student Exploration: Chemical Equations Vocabulary: Avogadro’s number, chemical equation, chemical formula, chemical reaction, coefficient, combination, combustion, conservation of matter, decompos ... ition, double replacement, molar mass, mole, molecular mass, molecule, product, reactant, single replacement, subscript Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 1. A candle is placed on one pan of a balance, and an equal weight is placed on the other pan. What would happen if you lit up the candle and waited for a while? The candle would end up melting. 2. Suppose the candle was placed in a large, sealed jar that allowed it to burn for several minutes before running out of oxygen. The candle and jar are balanced by an equal weight. In this situation, what would happen if you lit up the candle and waited? Nothing. The weight of all the stuff inside the jar would not change, regardless of the combustion going on inside the jar, so the balance wouldn't change. [Show More]

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