Notes Unit 8 KEY - Loudoun County Public Schools

1 Unit 8 Stoichiometry Notes Stoichiometry is a big word for a process that chemist s use to calculate amounts in reactions. It makes use of the coefficient ratio set up by balanced reaction equations to make connections between the reactants and products in reactions. Stoichiometry calculates the quantities of reactants and products in a chemical reaction. The equation must be balanced! Questions that deal with amounts in reactions are examples of reaction stoichiometry. We already have the tools necessary to solve this question. We just need to learn a new way to apply skills such as writing chemical formulas, calculating formula masses, and converting from mass to moles, particles to moles, and volume of gases to moles.

Stoichiometry Notes ... 2 bacon double cheese burgers b. 1 dozen buns, 2 dozen patties, 2 dozen slices of cheese, 4 dozen strips of bacon ... equation (a.k.a. recipe) We understood that to produce one complete bacon double cheeseburger we needed to have each of the above ingredients in a 1 bun to 2

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