Chapter 11: Stoichiometry

366 Stoichiometry BIGIdea Mass relationships in chemical reactions confirm the law of conservation of Defining StoichiometryMAINIdea The amount of each reactant present at the start of a chemical reaction determines how much product can Stoichiometric CalculationsMAINIdea The solution to every stoichiometric problem requires a balanced chemical Limiting Reactants MAINIdea A chemical reaction stops when one of the reactants is used Percent Yield MAINIdea Percent yield is a measure of the efficiency of a chemical Green plants make their own food through photosynthesis. Photosynthesis occurs within structures called chloroplasts in the cells of plants.

equation for the combustion of propane in terms of representative particles, moles, and mass. Show that the law of conservation of mass is observed. 1 Analyze the Problem The coefficients in the balanced chemical equation shown below represent both moles and representative particles, in this case molecules. Therefore, the equation can be

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  Particles, Representative, Representative particles

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