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CHEM 1301 Exam 2
Key Terms and Concepts Ch 4 & 5
11
Chemistry
Undergraduate 2
09/14/2011

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Term
reaction Stoichiometry
Definition
The numerical relationships between chemical amonts in a balanced equation
Term
chemical stoichiometry
Definition
the numerical relationships between the amounts of reactants and products in chemical reactions
Term
Limiting Reactant
Definition
the reactant that limits the amount of product in a chemical reaction; it is the reactant that makes THE LEAST AMOUNT OF A PRODUCT
Term
theoretical yield
Definition
the amount of product that can be made in a chemical reaction based on the amount of limiting reactant
Term
actual yield
Definition
the amount of product actually produced by a chemical reaction
Term
percent yield
Definition
the percentage of the theoretical yield that was actually attained.
actual yield/theoretical yield
Term
oxidation state
Definition
a number given to each atom based on the electron assignments
Term
redox reactions
Definition
reactions in which electrons transfer from one reactant to the other.
oxidation-the loss of electrons
reduction-the gain of electrons
Term
electrolytes
Definition
substances that dissolve in water to form solutions that conduct electricity
Term
nonelectrolytes
Definition
compounds that do not disassociate in water
Term
precipatation reactions
Definition
reactions in which a solid or PRECIPITATE forms when we mix two compounds
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