Chemistry 3.5 / 5 based on 2 ratings ? ChemistryUniversityNone Created by: Miraneta LemaluCreated on: 29-10-12 05:51 Polyprotic acids Can donate more than one H+ from each molecule. 1 of 26 Ka (SMALL) Weak acid 2 of 26 Ka (LARGE) Strong acid 3 of 26 Saturated Solution Maximum amount of solute has been dissolved in the solvent 4 of 26 Standard Electrode Potential Indicates the 'PULLING POWER' of a single electrode 5 of 26 Q < K More PRODUCTS form until [Q = K] 6 of 26 Q > K More REACTANTS form until [Q = K] 7 of 26 Buffer Is a solution that resists a change in pH on addition of SMALL AMOUNTS of either ACID or BASE 8 of 26 Configurational Isomers They have the same molecular formula and same atom to atom bonding sequence, but the orientation of atoms in space are DIFFERENT 9 of 26 Racemic mixture A mixture of equal amounts of 2 enantiomers 10 of 26 Allotropes Different forms of the SAME ELEMENT 11 of 26 Isotopes Atoms of the same element which have DIFFERENT MASSES 12 of 26 Compound A pure substance which contains more than ONE ELEMENT 13 of 26 Molecule Made up of two or more atoms, either of the same element or of two or more different elements. 14 of 26 Surface Tension Causes drops of liquid mercury to form bonds or droplets 15 of 26 Solute Component present in smaller amount in mixture 16 of 26 Solvent The liquid in which a solute is dissolved to form a solution. 17 of 26 Electrolyte A substance that conducts electricity due to the presence of mobile ions when melted or dissolved in WATER 18 of 26 E^0 E^0 = E^0 (oxidant) - E^0 (reductant) 19 of 26 System Part being studied e.g, REACTANTS and PRODUCTS 20 of 26 Rate of reaction The change in concentration of reactants or products per time 21 of 26 Surroundings Rest of the universe 22 of 26 Standard enthalpy of formation Enthalpy change for the reaction forming 1 mole of a compound from its elements 23 of 26 Cell potential The measure of ability or oxidant to gain electrons; tendency to 'push' electrons from one electrode to the other 24 of 26 Miscible it is a mixture that is able to be mixed together 25 of 26 Immiscible "unmixable", and refers to two liquids that will not intermix 26 of 26
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