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Student Name: Instructor Name: EXP #4: POST-LAB 1. A proposed mechanism for the iodine clock reaction...
8. The rate law for the reaction H2O2 + 2H+212 + 2H2O is rate-k[H202][1]. The following...
8. The rate law for the reaction H2O2 + 2H+212 + 2H2O is rate-k[H202][1]. The following mechanism has been suggested. H2O2+1 - HOI + OH - slow OH + H H20 fast HỘI + H+ + + I2 + H2O fast Identify all intermediates included in this mechanism. A) H and I D) Honly B) H and HOI E) H20 and OH C) HOI and OH 9. Which of the following statements is false? A) A catalyst increases the rate...
equations that may be useful are: 2I(-)+SO2O8(2-)->I2+2SO4(2-) and I2+2S2O3(2-)->2I(-)+S4O6(2-) THE IODINE CLOCK- REACTION KINETICS IN-LAB GUIDELINES...
equations that may be useful are:
2I(-)+SO2O8(2-)->I2+2SO4(2-)
and
I2+2S2O3(2-)->2I(-)+S4O6(2-)
THE IODINE CLOCK- REACTION KINETICS IN-LAB GUIDELINES (WEEK 1) This is a guide to suggest a format for you to prepare your laboratory notebook so that you can efficiently collect and record the data needed for each part of this experiment. Provide a space for observations. Record all original data directly into the laboratory notebook. Show all post-lab calculations in your laboratory notebook. If you did several trials of the same...
Please answer all, I rate, thank you. THE IODINE CLOCK- REACTION KINETICS EXPERIMENT 3 PRE-LABORATORY QUESTIONS...
Please answer all, I rate, thank you.
THE IODINE CLOCK- REACTION KINETICS EXPERIMENT 3 PRE-LABORATORY QUESTIONS (WEEK 1) Fully answer these questions in your laboratory notebook before coming to lab. Show all work for numerical calculations. 1. If the rate law for a reaction is Rate [A][B What is the overall order of the reaction? a. b. If the concentration of A is doubled and the concentration of B is tripled, how will this affect the rate of the reaction?...
Chemical Kinetics Kit for AP Chemistry Student Guide d. Is it likely that this reaction occurs...
Chemical Kinetics Kit for AP Chemistry Student Guide d. Is it likely that this reaction occurs in one step? Explain. 2. A student would like to determine the orders of the reaction for an iodine clock reaction that occurs in three steps 3r(aq)+ H,O:(aq) + 2H'(aq )-,(aq) +2H 2O0) slow I(aq) + 25,0,(aq) 3r(aq) + S40(aq) 21, (aq) + starch-starch-I" complex + r(aq) fast fast Write the rate law for this reaction, using variables in place of the exponents a...
The rate law for the reaction 2NO2 + O3 → N2O5 + O2 is rate =...
The rate law for the reaction 2NO2 + O3 → N2O5 + O2 is rate = k[NO2][O3]. Which one of the following mechanisms is consistent with this rate law? A) NO2 + NO2 → N2O4 (fast) N2O4 + O3 → N2O5 + O2 (slow) B) NO2 + O3 → NO5 (fast) NO5 + NO5 → N2O5 + 5/2O2 (slow) C) NO2 + O3 → NO3 + O2 (slow) NO3 + NO2 → N2O5 (fast) D) NO2 + NO2 → N2O2...
How do I calculate the isolated moles and molarity of the 0.2M KIO3?
how do I calculate the isolated moles and molarity
of the 0.2M
KIO3?
0.1 M Sulfuric Distilled Solution A Mixturel Mixture II Mixture III Mixture IV 0.20 M KIO3 Solution 5 mL 5 mL 10 mL 10 mL Acid 0 mL 0.5 mL 0 mL 0.5 mL water 15 ml 14.5mL 10 mL 9.5 mL Lalculations: I. (6pt) Calculate the total number of moles of iodate ion present in each 0.2 M KlO3 solution. Calculate the molarity of iodate ion...
A chemistry graduate student is studying the rate of this reaction: He fills a reaction vessel...
A chemistry graduate student is studying the rate of this
reaction:
He fills a reaction vessel with
H2CO3
Am I supposed to use Excel?
O KINETICS AND EQUILIBRIUM Deducing a rate law from the change in concentration over time A chemistry graduate student is studying the rate of this reaction: H,Coz (aq) → H20 (aq) + CO2 (aq) He fills a reaction vessel with H, CO, and measures its concentration as the reaction proceeds: time (minutes) [H2CO3] 0.0300 M 1.0...
Rates of Chemical Reaction Lab Iodination of Acetone 1- a student made up a reaction mixture...
Rates of Chemical Reaction Lab
Iodination of Acetone
1- a student made up a reaction mixture
consisting of 10 mL 4 M acetone, 5 mL 1.0 M HCl 10 mL 0.005 M
I2 and 25 mL H2O.
Why is the concentration of iodine so much lower than the other
reactants?
3. How are time and rate related? How are 1/time and
rate related?
4. What does it mean when someone says a reaction is “first
order”?
5. In a...
1) 2) 3) A proposed mechanism for the reaction 2NO(g) +2H2(g) → N2(g) + 2H2O(g): Step...
1)
2)
3)
A proposed mechanism for the reaction 2NO(g) +2H2(g) → N2(g) + 2H2O(g): Step 1: 2NO(g) + N2O2(g) (very fast, reversible) Step 2: N2O2(g) + H2(g) N20(g) + H20(g) (slow) Step 3: N2O(g) + H2(g) →N2(g) +H2O(g) (fast) What is the rate law for the overall reaction? Ok[NO2 Ok[NO]2[H212 O k[NO]2[H2] Ok[N20][H2] k[NO]1/2[H2] 2NO(g) +Cl2 (g) → NOCI (8) Experiment concentration of NO (M) 0.09 0.045 0.045 concentration of Cl2(M) Rate (M/s) 0.01 3.40 x 10-4 8.50 x...
7. The Absorption Spectrum of Cobalt(II) Chloride Procedure Getting Started 1. Your laboratory instructor may ask...
7. The Absorption Spectrum of Cobalt(II) Chloride Procedure Getting Started 1. Your laboratory instructor may ask that you work in groups rather than alone. 2. Obtain directions from your laboratory instructor for discarding the solutions that you will use in'! this experiment. 3. Obtain instructions for using your spectrophotometer. 4. Obtain your unknown. Making the Measurements 1. Mark each of 7 dry 18 x 150-mm test tubes with one of a series of identification numbers running from 1 to 7....
8. The rate law for the reaction H2O2 + 2H+212 + 2H2O is rate-k[H202][1]. The following mechanism has been suggested. H2O2+1 - HOI + OH - slow OH + H H20 fast HỘI + H+ + + I2 + H2O fast Identify all intermediates included in this mechanism. A) H and I D) Honly B) H and HOI E) H20 and OH C) HOI and OH 9. Which of the following statements is false? A) A catalyst increases the rate...
equations that may be useful are:
2I(-)+SO2O8(2-)->I2+2SO4(2-)
and
I2+2S2O3(2-)->2I(-)+S4O6(2-)
THE IODINE CLOCK- REACTION KINETICS IN-LAB GUIDELINES (WEEK 1) This is a guide to suggest a format for you to prepare your laboratory notebook so that you can efficiently collect and record the data needed for each part of this experiment. Provide a space for observations. Record all original data directly into the laboratory notebook. Show all post-lab calculations in your laboratory notebook. If you did several trials of the same...
Please answer all, I rate, thank you.
THE IODINE CLOCK- REACTION KINETICS EXPERIMENT 3 PRE-LABORATORY QUESTIONS (WEEK 1) Fully answer these questions in your laboratory notebook before coming to lab. Show all work for numerical calculations. 1. If the rate law for a reaction is Rate [A][B What is the overall order of the reaction? a. b. If the concentration of A is doubled and the concentration of B is tripled, how will this affect the rate of the reaction?...
Chemical Kinetics Kit for AP Chemistry Student Guide d. Is it likely that this reaction occurs in one step? Explain. 2. A student would like to determine the orders of the reaction for an iodine clock reaction that occurs in three steps 3r(aq)+ H,O:(aq) + 2H'(aq )-,(aq) +2H 2O0) slow I(aq) + 25,0,(aq) 3r(aq) + S40(aq) 21, (aq) + starch-starch-I" complex + r(aq) fast fast Write the rate law for this reaction, using variables in place of the exponents a...
how do I calculate the isolated moles and molarity
of the 0.2M
KIO3?
0.1 M Sulfuric Distilled Solution A Mixturel Mixture II Mixture III Mixture IV 0.20 M KIO3 Solution 5 mL 5 mL 10 mL 10 mL Acid 0 mL 0.5 mL 0 mL 0.5 mL water 15 ml 14.5mL 10 mL 9.5 mL Lalculations: I. (6pt) Calculate the total number of moles of iodate ion present in each 0.2 M KlO3 solution. Calculate the molarity of iodate ion...
A chemistry graduate student is studying the rate of this
reaction:
He fills a reaction vessel with
H2CO3
Am I supposed to use Excel?
O KINETICS AND EQUILIBRIUM Deducing a rate law from the change in concentration over time A chemistry graduate student is studying the rate of this reaction: H,Coz (aq) → H20 (aq) + CO2 (aq) He fills a reaction vessel with H, CO, and measures its concentration as the reaction proceeds: time (minutes) [H2CO3] 0.0300 M 1.0...
Rates of Chemical Reaction Lab
Iodination of Acetone
1- a student made up a reaction mixture
consisting of 10 mL 4 M acetone, 5 mL 1.0 M HCl 10 mL 0.005 M
I2 and 25 mL H2O.
Why is the concentration of iodine so much lower than the other
reactants?
3. How are time and rate related? How are 1/time and
rate related?
4. What does it mean when someone says a reaction is “first
order”?
5. In a...
1)
2)
3)
A proposed mechanism for the reaction 2NO(g) +2H2(g) → N2(g) + 2H2O(g): Step 1: 2NO(g) + N2O2(g) (very fast, reversible) Step 2: N2O2(g) + H2(g) N20(g) + H20(g) (slow) Step 3: N2O(g) + H2(g) →N2(g) +H2O(g) (fast) What is the rate law for the overall reaction? Ok[NO2 Ok[NO]2[H212 O k[NO]2[H2] Ok[N20][H2] k[NO]1/2[H2] 2NO(g) +Cl2 (g) → NOCI (8) Experiment concentration of NO (M) 0.09 0.045 0.045 concentration of Cl2(M) Rate (M/s) 0.01 3.40 x 10-4 8.50 x...
7. The Absorption Spectrum of Cobalt(II) Chloride Procedure Getting Started 1. Your laboratory instructor may ask that you work in groups rather than alone. 2. Obtain directions from your laboratory instructor for discarding the solutions that you will use in'! this experiment. 3. Obtain instructions for using your spectrophotometer. 4. Obtain your unknown. Making the Measurements 1. Mark each of 7 dry 18 x 150-mm test tubes with one of a series of identification numbers running from 1 to 7....
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