Organic Chemistry I Ch 6 Key Terms-8e Hybrid John McMurry Questions And Answers Graded A+.
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MCMURRY
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MCMURRY
Activation Energy - correct answer The difference in energy between ground state and transition state in a reaction. The amount of activation energy determines the rate at which the reaction proceeds. Most organic reactions have activation energy of 400-100 kj/m...
Organic Chemistry I Ch 6 Key Terms-8e
Hybrid John McMurry
Activation Energy - correct answer The difference in energy between ground state
and transition state in a reaction. The amount of activation energy determines the rate at which the
reaction proceeds. Most organic reactions have activation energy of 400-100 kj/mol
Addition Reaction - correct answer The reaction that occurs when two reactants
add together to form a a single product with no atoms left over.
Bond dissociation energy - correct answer The amount of energy needed to break a
bond and produce two radical fragments.
Carbon cation - correct answer a carbon cation, or substance that contains a
trivalent, positively charged carbon atom having six electrons in its outer shell (R3c+)
Electrophile - correct answer an "electron-lover", or a substance that accepts an
electron pair from a nucleophile in a polar bond-forming reaction.
Elimination reaction - correct answer What occurs when a single reactant splits into
two products.
Endergonic - correct answer a reaction that has a positive free-energy change and is
therefore nonspontaneous. in an energy diagram, the product of an endergonic reaction has a higher
energy level than the reactants.
Endothermic - correct answer a reaction that absorbs heat and therefore has a
positive enthalpy change.
Enthalpy change - correct answer The heat of reaction. The enthalpy change that
occurs during a reaction is a measure of the difference in total bond energy between reactants and
products.
, Entropy Change - correct answer The change in amount of molecular randomness.
the entropy change that occurs during a reaction is a measure of the difference in randomness between
reactants and products.
Exergonic - correct answer a reaction that has a negative free-energy change and is
therefore spontaneous. on an energy diagram, the product of an exergonic reaction has a lower energy
level than that of the reactants.
Exothermic - correct answer a reaction that releases heat and therefore has a
negative enthalpy change.
Gibbs free-energy change - correct answer The free-energy change that occurs
during a reactino, given by the equation. A reaction with a negative free-energy change is spontaneous,
and a reaction with a postitive.
Heat of reaction - correct answer an alternative name for the enthalopy change in a
reaction. Delta H
Nucleophile - correct answer An electron-rich species that donates an electron PAIR
to an electrophile in a polar bond-forming reaction. Nucleophiles are also Lewis bases.
Polar reaction - correct answer A reaction in which bonds are made when a
nucleophile donates two electrons to an electrophile and in which bonds are broken when one fragment
leaves with both electrons from the bond.
Radical - correct answer A species that has an odd number of electrons, such as the
chlorine radical, CL
Radical Reaction - correct answer A reaction in which bonds are made by donation
of one electron from each of two reactants and in which bonds are brokent when each fragment leaves
with one electron.
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