KINETICS
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| KINETICS ISTHE STUDY OF.. SPEED OF REACTION USEFUL IN CHEM ENGINEEEING. |
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| WHEN SILVERNITRATE MIXED WITH NACL... REACTION VERY FAST .. |
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| RATE OF CHEMICAL REACTION ? CHANGE INN CONC / TIMEBTAKE OR CHANGE IN REACTANT / CHANGE IN PRODUCT/ TIME. |
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| IF CHANGE IN REACTANT .. CHANGE IN CONCNETRATION OF REACTANT IN MOLDM-3 SO IN RECATION REACTION FALL UNTIL REACTANT USED UP. SLOPE MEASURE RATE OF REACTION |
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| SLOPE DECREASES AS ... REACTANT DECREASES REACTANT USED UP. |
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| GRADIENT OF SLOPE 0 WHEN... REACTION DONE |
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| RATE OF REACTION ALSO ... AMOUNT OF PRODUCT PRODUCED / TIME |
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| COLLISION THEORY STATES... COLLIDING MOLECULESNUST HIT WITH ENOUGH SUFFICIENT ENRGY TO REACT. |
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| GRAPH OF PRODUCT / TIME ? LOOKS LIKE HOOKES LAW CURVE THEN PLATEAUS. |
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| PARTICALES IONS IONS SOLUTION ,MOLECULES OF GAS.. MOVE MPRE RANDOMLY AT DIFF SPEEDS3 |
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| MAXWELL AND BOPTMAN CALCULATED ... THE DISTRIBUTION OF SPEEDS OF.MOLECULES IN GAS AND KINETIC ENERGIES. |
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| IF HIGHER TEMP ... AVERAGE KINETIC ENRGY IS GREATER |
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| GRAPH OF FRACTION OF MOLECULES WITH ENERGY AGAINST KIN ENERGY OF 2 DIFF TEMPS... NUMBER OF MOLECUELS / AREA IS SAME FOR BOTH. HIGHER TEMP STEEPER GRADIENT |
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| COLLISION THEORY SECOND REQUIREMENT IS ... COLLIDIBG MOLECULES MUST HAVE ACTIVATION ENERGY BETWEEN THEM |
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| ACTIVATION ENRGY? THE MINIMUM AMOUNT OF ENERGY REQUIRED FOR A CHEMICAL REACTION BE SCCCESSFUL. REACTANTS TO PRODUCTS. |
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| FOR A REACTION AT ROOM TEMP ONLY 1 IN 10^12 ... MOLECULES POSSES THE ACTIVATION ENERGY. |
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| AREA UNDER ACTIVATION ENRGY LINE ... SHOWS AMOUNT OF MOLECULES THAT HAVE ACTIVATION ENERGY. |
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| IF ACTIVATION ENRGY HIGH... NO OF PARTICLES WITH ACTIVATION ENRGY LOW.. SO NO REACTION SYSTEM IS KINETICALLY STABLE . REACTION WILL HAPPEN IN TEMP INCREASED. |
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| FPR SYSTEM TO BE KINETICALLY UNSTABLE.... PARTICLES NEED TO GAIN KINETIC ENERGY EQUAL OR GREATER THAN ACTIVATION.ENRGY . E.G. HYDRPGEN AND OXYGEN REACTION THERMOCHEMICALLY UNSTABLE RELATIVE TO PRODUCT WATER. AC ENRGY SO HIGH THAT REACTION.NOT OCCUR AT |
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| 3RD REQUIREMNT OF COLLISION THEORY... PARTICALESMUSTHAVE CORRECT ORRIENTATION ON COLLISION E.G. REACTION BETWEEN CH3I AND OH- OH- ION MUST APPROACH FROM OPP SIDE IF OH ION APPROCHES ON SMAE SIDE OF IODINE ... NO REACTION TAKES PLACE. |
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| COLKISION.ONLY SUCCESSFUP IF.... COLLIDING MOL POSSESS KINETIC ENRGY EQUAL TO AOR GREATER THAN ACTIVATIOJLN ENERGY. |
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| LOW AC ENERGY ... MEANS FAST REACTION |
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| SUMMARY OF.COLLISON THEORY .. MOLECULES MUST COLLIDE WITH CORRECT ORIENTATION. REACTION WITH COMPLEX MOLEFULES FEWER WILL HAVE CORRECT ORIENTION THAN SIMPLIER MOLE. |
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| VERY HIGH ACTIVATION ENRGY MEANS ... KINETICALLY STABLE |
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| HOR HOMOGENOUS REACTION OF GASES AND INCREASE IN PRESSURE AT CPNSTANT TEMP... INCREASES REACTION RATE. |
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