Chemistry terms F325

  • Created by: Megan
  • Created on: 11-04-13 13:46
Rate of reaction
The change in concentration of a reactant or product per unit time
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Initial rate of reaction
The change in concentration of a reactant or product per unit time at the start of the reaction
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Order
The power to which the concentration of the reactant is raised in the rate equation
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Rate constant
The constant that links the rate of reaction with the concentrations of the reactants raised to the powers of their orders in the rate equation
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Half life
The time taken for the concentration of a reactant to reduce by half
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Dynamic equiibrium
The equilibrium that exists in a closed system when the rate of the forward reaction is equal to the rate of the reverse reaction
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What affects Kc
Temperature
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Bronsted-lowry acid
Is a proton donor
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Bronsted-Lowry base
Is a proton acceptor
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Complete: Acid + Base -->
Salt + Water
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Complete: Acid + Alkali --->
Salt + Water
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Complete: Acid + Metal --->
Salt + hydrogen
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Acid-base pair
Is a pair of two species that transform into each other by gain or loss of a proton
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Buffer solution
A system that minimizes pH changes on addition of small amounts of an acid or a base
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Equivalence point
The point in a titration at which the volume of one solution has reacted exactly with the volume of the second solution. This matches the stoichiometry of the reaction that is taking place
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Standard enthalpy change of neutralization
The energy change that accompanies the neutralization of an aqueous base to form one mole of H2O under standard conditions
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Other cards in this set

Card 2

Front

Initial rate of reaction

Back

The change in concentration of a reactant or product per unit time at the start of the reaction

Card 3

Front

Order

Back

Preview of the front of card 3

Card 4

Front

Rate constant

Back

Preview of the front of card 4

Card 5

Front

Half life

Back

Preview of the front of card 5
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