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21 Cards in this Set
- Front
- Back
- 3rd side (hint)
Acid dissociation constant, Ka
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Ka = [H+][A-] / [HA]
PKa= -logKa Ka= 10^PKa |
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Acid - Base pair
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A pair of two species that transform into each other by gain or loss of a proton.
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Activation energy
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The minimum energy required to start a reaction by the breaking of bonds.
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Addition Polymer
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A very long molecular chain formed by repeat additions of many unsaturated alkene molecules.
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Adsorption
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The process by which a solid holds molecules of gas or liquid or solute as a thin film on the surface of a solid
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see Gas Chromotography
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Alicylic hydrocarbon
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A hydrocarbon with carbon atoms joined together in a ring structure.
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Alkali
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A type of base that dissolves in water to form OH- ions.
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Alkanes
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The homologous series with general formula CnH2n + 2
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Alkyl group
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An alkane with a hydrogen atom removed.
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Often shown as R eg. RCOOH
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Anhydrous
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A substance that contains no water.
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Anion
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Negatively charged ion
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Atom economy
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molecular mass of desired product / sum of molecular masses of all products * 100
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Atomic number
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The number of protos in the nucleus of an atom
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Atomic orbital
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A region within an atom that can hold up to two electrons with opposite spins.
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Average bond enthalpy
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The average enthalpy change that takes place when breaking by homolytic fission 1 mol of a given type of bond in the molecules of a gaseous species
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Avogadro's constant,Na
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The number of atoms per mole of the carbon 12 isotope (6.02×10^23 mol−1)
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Biodegradeable polymer
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A polymer that breaks down completely into carbon dioxide and water.
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Boltzmann distribution
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A diagram showing the distribution of energies of the molecules at a particular temperature.
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Bond dissociation enthalpy
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The enthalpy change that takes place when breaking by homolytic fission 1 mol of a given bond in the molecule of a gaseous species.
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Bronstead-Lowry acid
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A species that is a proton [H+] donor
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Bronstead lowry base
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A species that is a proton [H+] acceptor
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