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Chem CH 17 & 23 Vocab
Vocab
43
Chemistry
Undergraduate 1
04/20/2010

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Term
oxidation
Definition
the loss of one or more electrons by a substance
Term
oxidizing agent
Definition
a substance that causes an oxidation by gaining electron (being reduced)
Term
reduction
Definition
the gain of one or more electrons by a substance
Term
reducing agent
Definition
a substance that causes a reduction by losing electrons (being oxidized)
Term
salt bridge
Definition
a tube that contains a gel permeated w/ a solution of inert electrolyte connecting the two sides of an electrochemical cell
Term
Nernst equation
Definition
an equation for calculating cell potentials under non-standard state conditions (E=E*-((0.0592/n) x log Q)
Term
electrolysis
Definition
the process of using an electric current to bring about chemical change
Term
galvanic cell
Definition
an electrochemical cell in which a spontaneous chemical reaction generates an electrical current
Term
cell potential
Definition
Term
anode
Definition
the electrode at which oxidation takes place
Term
Faraday's Constant
Definition
96, 485 Coulombs/mol e-
Term
electrolytic cell
Definition
an electrochemical cell in which an electric current drives a non-spontaneous reaction
Term
voltaic cell
Definition
same thing as galvanic cell
Term
galvanizing
Definition
a process for protecting steel from corrosion by coating it with zinc
Term
redox reactions
Definition
an oxidation-reduction reaction
Term
half reactions
Definition
the oxidation or reduction part of a redox reaction
Term
cathode
Definition
the electrode at which reduction takes place
Term
cathodic protection
Definition
a technique for protecting a metal from corrosion by connection it to a second metal that is more easily oxidized
Term
corrosion
Definition
the oxidative deterioration of a metal, such as the conversion of iron to rust
Term
E*, standard electrode potentials
Definition
Term
standard hydrogen electrode (S.H.E)
Definition
a reference half-cell consisting of a platinum electrode in contact with hydrogen gas and aqueous H+ ions at standard-state conditions
Term
hydrocarbons
Definition
a compound that contains only hydrogen and carbon
Term
structural isomerism
Definition
Term
cis-trans isomerism
Definition
Term
alkanes
Definition
a compound that contains only carbon and hydrogen and only has single bonds
Term
alkenes
Definition
a hydrocarbon that has a carbon-carbon double bond
Term
alkyne
Definition
a hydrocarbon that has a carbon-carbon triple bond
Term
aromatic
Definition
the class of compounds related to benzene
Term
substitution reactions
Definition
an organic reaction in which one group substitutes for another, particularly on aromatic rings
Term
addition reactions
Definition
an organic reaction in which a reagent adds to the multiple bond of the unsaturated reactant to yield a saturated product
Term
polymers
Definition
a large molecule formed by the repetitive bonding together of many smaller molecules
Term
monomer
Definition
a small molecule that, when repetitively bonded together many times, forms a polymer
Term
functional groups
Definition
a part of a larger molecule; composed of an atom or group of atoms that has characteristic chemical behavior
Term
alcohols
Definition
an organic molecule that contains an -OH group
Term
ketones
Definition
an organic molecule that contains two alkyl groups bonded to a C=O carbon
Term
aldehydes
Definition
an organic molecule that contains one alkyl group and one hydrogen bonded to a C=O carbon
Term
carboxylic acids
Definition
an organic molecule that contains the -CO2H group
Term
esters
Definition
an organic molecule that contains the -CO2R group
Term
ethers
Definition
an organic molecule that contains 2 alkyl groups bonded to the same oxygen atom
Term
amines
Definition
an organic derivative of ammonia, C-N
Term
amide
Definition
an organic molecule that contains one alkyl group and one nitrogen bonded to a C=O group
Term
condensation polymers
Definition
Term
addition polymers
Definition
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