Copy of Limiting Reactants
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Prior Knowledge Questions (Do these BEFORE using the Gizmo.) Imagine you and your friends are making hot dogs. A complete hot dog consists of a wiener and a bun. At the store, you buy four pac... kages of eight wieners and three bags of 10 buns. 1. How many total hot dogs can you make? ______30_____________ 2. Which ingredient limited the number of hot dogs you could make? ___buns______________ 3. Which ingredient will you have leftovers of? ___hotdog________________________ Gizmo Warm-up Just as ingredients can be put together to make a new food, substances can combine during a chemical reaction to produce new substances. The substances that undergo change are called reactants. The new substances are products. Sometimes during a chemical reaction, one type of reactant will be used up before the other reactants. This reactant is the limiting reactant. Using the Limiting Reactants Gizmo™, you can determine which reactant is limiting in various scenarios. To begin, make sure H2 + O2 becomes H2O is selected. The small “2” in H2, O2, and H2O is a subscript. Subscripts represent the number of atoms in [Show More]
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