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3. Find the order: UNE 16 June them 6.06 1932 log 193= logan by 198 in lega lo 193 Tan pos Ve 0.2 Co002 6.02 X16 LOG. 993 Jogo: 943 by liga P-bou فعلتها ܦܕܟܪܝܠܪܝܡ ܠܦܝܢܝܗܝܒܥ 4. Determination of the rate constant K Mixture 1 2 3 4 Average K 3.75x10 3.76x10- 3.65x105 3.43x10 8.85x10- 1 Write the general rate expression incorporating your exponents: (eg, Rate - k...) Rate
1. Reaction rate Data Mixture НСІ Acetone (mL) (mL) 4M 12 (mL) 0.005M IM Water (mL) Total volume (mL) 10 1 In 5 5 5 25 5 2 In 5 5 10 5 5 25 Time for Tem reaction in °C in sec 2min. 45 sec. 165 sec. 5 min. 32 sec. 332 sec. 1 min. 1sec. 85sec. 1 min. 23sec. 83sec. لا 3 5 10 on 5 5 25 5 5 4 10 5 5 25 2. Determination of Reaction orders with respect to acetone, H+ lon, and 12 rate k[acetone]m (H+) n (12) P Calculate the initial concentrations of to acetone, H+ ion, and 12 in each of the mixtures you studied. Use equation 2 to find the rate of each reaction Mixture (Acetone) (H) (12) Rate (12) avg. time 1 0.8M 0.2M 0.00010M 6.00x100 2 0.8M 0.2M 0.00218M 6.02x10-6 3 1.6M 0.2M 0.001M 1.17x105 4 0.8M 0.4M 0.001M 1.10x105 3. Find the order: -
Experiment 7 Rates of Chemical Reactions: The Todination of Acetone The ladiation of stones casily investigate beculetise hat diep yellow brown color As the one is lednated and their converted to the lodide anion, this color will disappear allowing theme of the reaction to emily monitored Westly thereof is by simply making the mining tanti alunece of end-ion lly meaning the time required for the initial concentration of iodine (t) to be wed up completely, thereafte mation can be determined by the Objective Determination the rule of chemical reaction Di The rate of chemical reaction depends on where there of the centrations of the react, the temperature, and e prece of a possible catalyst Is this experiment we will determine the rate le for reaction by change of the above variables in this experiment we will stay the kinetics of the action between die and AL Osimply Ral h CH The role of this reaction is found to depend on the concentration of the lydnad, HICH) s well as the concentrations of the reacts (cetone and iodine) Theates for this reaction is rate clos" (1) where is the reconstant for the reaction and, and the order of the reaction with respect to acetone, hydrope ions (acid), and iodine, respectively. Alhonden of reaction he any value for this tab we will be looking only for inteper values for the codees of reaction 1.2 ceptable but not 0.5, 1.3, etc.) The role of the reactions can also be expressed as the change in the conception of a reactare divided by the time interval made -40) (3) time From the most can determine the anders with respect to one and Indie) by varying the amounts of sanding the electorale. Once the of reactions, we will be ble to calculate the real to Put Dee of experient you will determine the role of reactions, the order of the reactants, and finally the Fale constant stroom mestre Experimental Apparater 10.00 m. gruelinder, conical floatch Chemical 10 MIKI, 40 M cene, 0.0050 Miodine Procedure Finding the rate, anden of reaction and rate oma kot room temperature for each experimenti elow 1. mesure out the appropriate quantities of 10 M HCL 40 Men and we 10.00 ml graduated cylinder and place them in a 125 ml.uk. Making sure to any on your hands of clothes, e out the appropriats amount or. Miodine in a 14 94 95
10.00 ml flask (Note: use these concentration values in this lab regardless of what the stockroom lists as the actual concentration.) 2. Start the stopwatch as you add the iodine to the 125 ml. flask. Swirl the flask (which helps to prevent acetone evaporation) until the yellow color disappears, then halt the stopwatch. It may help to place the flask on a white piece of paper to help discern when the color disappears. Record the time elapsed in seconds. 3. Repeat this reaction mixture until 3 trials of the same experiment are within 20 seconds of each other. 4. Determine the average time sed in seconds for this experiment. Repeat this process for cach of the four experiments listed in the table below. 96