CH115 chapter 4

CH115 chapter 4 - Chapter 4 objectives Balance simple...

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Chapter 4 objectives Balance simple chemical equations by inspection Use the stoichiometry to calculate the mass of a product or reactant in a chemical equation given the amount of one other substance.
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Chapter 4 objectives Identify the general reaction types. Determine the limiting reagent in a reaction.
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Chemical equations Reactants Products Chemical equations show how reactants are changed into products.
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Chemical equations Reactants Products “yield” or “form” “and”
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Chemical equations Molecules or Moles Molecules or Moles coefficients
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Molar ratios Molar ratio - the ratio of stoichiometric coefficients in a balanced chemical equation. You can use molar ratios from balanced chemical equations to: Calculate the number of moles of a substance from the number of moles of another substance. Find the mass of a substance from the mass of another substance.
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Practice Given 4.28 moles of methane calculate how many moles of CO 2 and water are produced in the reaction?
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Practice How many grams of Cl 2 are necessary to produce 165.3 g FeCl 3 ?
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Including physical states We can represent the state (solid, liquid, gas or aqueous) of a compound using the following solid ( s ) liquid ( l ) gas ( g ) aqueous ( aq )
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CH115 chapter 4 - Chapter 4 objectives Balance simple...

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