The activation energy of the iodination of acetone was determined by measuring which of the following?...
The activation energy of the iodination of acetone was determined by measuring which of the following? the rate of reaction with and without a catalyst
the rates of reaction with different reactant concentrations
the change in concentration over time
the rate of reaction at different temperature
Homework Answers
Sol: The rate of reaction at different temperatures activation energy of the iodination of acetone is determined.
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The activation energy of the iodination of acetone was
determined by measuring which of the following?...
A) in a reaction involving the iodination of acetone, the following volumes were used to make...
A) in a reaction involving the iodination of acetone, the following volumes were used to make up the reaction mixture: 10 mL 4.0 M acetone + 10 mL 1.0 M HCl + 10 mL 0.0050 M I2 + 20 mL H2O What is the total volume of the sample? V = ___ mL B) In a reaction involving the iodination of acetone, the following volumes were used to make up the reaction mixture: 10 mL 4.0 M acetone + 10...
[3] B2. The activation energy for the decomposition of iodoethane was determined by measuring the rate...
[3] B2. The activation energy for the decomposition of iodoethane was determined by measuring the rate constants at two different temperatures. At 600 K the rate constant was found to be 1.6 x 10 s and at was 6.36 x 10s . What was the activation energy? 700 K it
Determination of the Rate Law for the Iodination of Acetone in Acidic Solution I conducted an experiment to determine in...
Determination of the Rate Law for the Iodination of Acetone in
Acidic Solution
I conducted an experiment to determine initial concentrations of
reactants, reaction times, and reaction orders for the iodination
of acetone.... here is my data followed by some questions... help
please??
1. How do you double the concentration of one of the reactant
solutions in each experiment? What reagent should you use to
control the total volume of each experiment?
2. Could you reduce the concentration of a...
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...
Which of the following statements is true? A catalyst increases the activation energy of the reaction....
Which of the following statements is true? A catalyst increases the activation energy of the reaction. A catalyst increases the enthalpy change for the reaction. A catalyst increases the rate of both the forward reaction and the reverse reaction. A catalyst increases the rate of the forward reaction and decrease the rate of the reverse reaction.
12.) Which of the following factors influence the rate of a reaction? A) Temperature B) Reactant...
12.) Which of the following factors influence the rate of a reaction? A) Temperature B) Reactant concentration C) A catalyst D) Temperature, reactant concentration, and a catalyst 13.) A fast reaction rate for a chemical reaction is dependent on: A) having a large activation energy B) having a small activation energy C) being exothermic D) being endothermic 14.)) A catalyst is A) a substance that decreases the energy of the products. B) a product in a chemical reaction. c) a...
The activation energy for a reaction is 15 kJ mol-1 at 27° C. A catalyst lowers...
The activation energy for a reaction is 15 kJ mol-1 at 27° C. A catalyst lowers the activation energy to 10 kJ mol at the same temperature. By what factor is the reaction rate increased? Assume that the reactant concentrations and the pre-exponential factor in the Arrhenius equation are unchanged. O A. 1.5 OB. 1.1 OC. 0.67 O D.7.4 O E. 1.7 x 107 Reset Selection
A certain reaction is known to have an activation energy E = 70.0 kJ/mol. Furthermore, the...
A certain reaction is known to have an activation energy E = 70.0 kJ/mol. Furthermore, the rate of this reaction is measured at 362. K and found to be 7.9x 10 MIs. Use this information to answer the questions in the table below. (You may need to use the scrollbar to see all the choices.) Suppose the concentrations of all reactants is kept the same, but the temperature is lowered by 10% from 362' K to 326. K. The rate...
Two different reactions have exactly the same activation energy. What can you say about their reaction...
Two different reactions have exactly the same activation energy. What can you say about their reaction rates? Assume that temperature reactant concentration and order are the same in both reactions
Which of the following is NOT important as a contributing factor to photochemical smog? stagnant air...
Which of the following is NOT important as a contributing factor to photochemical smog? stagnant air rsunlight a lot of traffic rrigation For the reaction 3 A 5B-2C+4D, the rate of the reaction in terms of written as would be r_1A[A [A] Which statement below regarding the average rate of a reaction is FALSE? The change in concentration of reactant or product is not always linear with time The average reaction rate usually decreases as the reaction proceeds. The average...
[3] B2. The activation energy for the decomposition of iodoethane was determined by measuring the rate constants at two different temperatures. At 600 K the rate constant was found to be 1.6 x 10 s and at was 6.36 x 10s . What was the activation energy? 700 K it
Determination of the Rate Law for the Iodination of Acetone in
Acidic Solution
I conducted an experiment to determine initial concentrations of
reactants, reaction times, and reaction orders for the iodination
of acetone.... here is my data followed by some questions... help
please??
1. How do you double the concentration of one of the reactant
solutions in each experiment? What reagent should you use to
control the total volume of each experiment?
2. Could you reduce the concentration of a...
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...
12.) Which of the following factors influence the rate of a reaction? A) Temperature B) Reactant concentration C) A catalyst D) Temperature, reactant concentration, and a catalyst 13.) A fast reaction rate for a chemical reaction is dependent on: A) having a large activation energy B) having a small activation energy C) being exothermic D) being endothermic 14.)) A catalyst is A) a substance that decreases the energy of the products. B) a product in a chemical reaction. c) a...
The activation energy for a reaction is 15 kJ mol-1 at 27° C. A catalyst lowers the activation energy to 10 kJ mol at the same temperature. By what factor is the reaction rate increased? Assume that the reactant concentrations and the pre-exponential factor in the Arrhenius equation are unchanged. O A. 1.5 OB. 1.1 OC. 0.67 O D.7.4 O E. 1.7 x 107 Reset Selection
A certain reaction is known to have an activation energy E = 70.0 kJ/mol. Furthermore, the rate of this reaction is measured at 362. K and found to be 7.9x 10 MIs. Use this information to answer the questions in the table below. (You may need to use the scrollbar to see all the choices.) Suppose the concentrations of all reactants is kept the same, but the temperature is lowered by 10% from 362' K to 326. K. The rate...
Which of the following is NOT important as a contributing factor to photochemical smog? stagnant air rsunlight a lot of traffic rrigation For the reaction 3 A 5B-2C+4D, the rate of the reaction in terms of written as would be r_1A[A [A] Which statement below regarding the average rate of a reaction is FALSE? The change in concentration of reactant or product is not always linear with time The average reaction rate usually decreases as the reaction proceeds. The average...
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