13915954906 | strong acids | HCl, HBr, HI, HNO3, H2SO4, HClO4 | 0 | |
13915973992 | strong bases | LiOH, NaOH, KOH, RbOH, CsOH, Ca(OH)2, Sr(OH)2, Ba(OH)2 | 1 | |
13915988688 | Endothermic | Absorbs heat, releases energy | ![]() | 2 |
13915993859 | Exothermic | Releases heat, absorbs energy | ![]() | 3 |
13916009169 | breaking bonds | energy is absorbed | 4 | |
13916016980 | making bonds | energy is released | 5 | |
13916046559 | Dipoles | positive and negative charged ends of a polar covalent molecule | 6 | |
13916699590 | thin layer chromatography | a solid-liquid partitioning technique in which the mobile liquid phase ascends a thin layer of absorbent. The thin layer absorbent acts as a polar stationary phase for the sample to interact with. A very small sample is spotted near the base of the plate and via capillary action, the components of the spotted sample are partitioned between the mobile phase and the stationary phase. | 7 | |
13916710959 | Gas Chromatography | gas flowing through a coated tube separates compounds by their size, weight, and chemical reactivity with the coating of the tube or column | 8 | |
13916714915 | Liquid Chromatography | Used to identify unknown plant pigments & other compounds. | 9 | |
13916718197 | paper chromatography | method of separating a mixture of different colours. The liquid soaks through the paper and carries the mixture with it. Some substances are carried faster than others so the substances are separated along the paper | 10 | |
13916751065 | factors that affect rate | state, concentration, temperature, catalyst | 11 | |
13917093006 | first order reaction | the reaction rate is directly proportional to the concentration of only one reactant | ![]() | 12 |
13917101816 | second order reaction | a reaction whose rate depends on the concentration of one reactant raised to the second power or on the concentrations of two different reactants, each raised to the first power | ![]() | 13 |
13917111682 | zero order reaction | rate is independent of the concentration of the reactant. | ![]() | 14 |
13917165769 | collision theory | For a reaction to occur, the particles must collide, they must collide with the appropriate orientation, and they must collide with sufficient energy. | 15 | |
13917320814 | pH below 7 | acidic | 16 | |
13917323798 | pH above 7 | basic | 17 | |
13917332392 | conjugate acid | an acid that forms when a base gains a proton | 18 | |
13917332393 | conjugate base | a base that forms when an acid loses a proton | 19 | |
13917342422 | strong acid/base dissociation | completely dissociates | 20 | |
13917342423 | weak acid/base dissociate | partially dissociates | 21 | |
13917355145 | buffers | weak acids or bases that can react with strong acids or bases to prevent sharp, sudden changes in pH | 22 | |
13917405314 | K>1 | reaction proceeds toward completion | 23 | |
13917410342 | K<1 | very small amounts of products formed | 24 | |
13917415069 | K=1 | concentrations of reactants and products are approx. equal at equilibrium | 25 | |
13917482881 | Coulomb's Law | electric force between charged objects depends on the distance between the objects and the magnitude of the charges, electrical force grows weaker with distance | 26 |
ap chem Flashcards
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