Homework Answers
Q4. The reaction is zero order in acetone.
The reaction is zero order in iodine.
The reaction is zero order in HCl.
The overall reaction order is zero.
Explanation
From the rate equation, we see that the rate only depends on the rate constant 'k'
Hence, this is a zero order reaction.
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4. Given the rate equation below, complete the blanks. (10 pts) R=k The reaction is order...
Consider the elementary reaction equation K(g)+HCl(g)⟶KCl(g)+H(g) What is the order with respect to K? order: What...
Consider the elementary reaction equation K(g)+HCl(g)⟶KCl(g)+H(g) What is the order with respect to K? order: What is the overall order of the reaction? overall order: Classify the reaction as unimolecular, bimolecular, or termolecular. termolecular unimolecular bimolecular
Molecular iodine, I2 (g), dissociates into iodine atoms at 652 K, with a first order rate...
Molecular iodine, I2 (g), dissociates into iodine
atoms at 652 K, with a first order rate constant of 0.452
s-1.
a. What is the half life for this reaction?
[ Select ]
["1.53 s", "0.31 s", "0.079 s", "0.39 s"]
b. If you start with 0.35 M I2 at this temperature,
how long will it take for the concentration of I2 to
reach...
Question 3 1 pts The rate constant, k, of the first order reaction A B +C...
Question 3 1 pts The rate constant, k, of the first order reaction A B +C is k = 8.62 x 10-35-1. If the initial concentration of A is 2.74 M, how long will it take for the concentration of A to fall below 0.32 M? Give your answer to one decimal place in MINUTES (do not input the units). For example, if your answer is 8.956 minutes, enter 9.0 Question 4 1 pts The rate constant, k, of the...
1. A reaction is second order in[A] and second-order in [B]: Rate,=K[A]^2[B]^2. what are the units...
1. A reaction is second order in[A] and second-order in [B]: Rate,=K[A]^2[B]^2. what are the units of k for this reaction? If the concentration of air decreases by a factor of 2 and the concentration of b increases by a factor of 5 what happens to the rate? 2. for the forward reaction 2NO+Cl2=>2NOCl. determine the rate(m/s)for experiment #4 given [NO]°(M)=0.40M and [Cl2]°z(M)=0?20M. Rate? 3.The following data were collected over time for the forward reaction 2NO2=>2NO+O2 ( 1/[NO2]=100 at 0...
QUESTION 9 which of the following best represents the rate equation for the reaction shown below? Tos Naoe (A) 100...
QUESTION 9 which of the following best represents the rate equation for the reaction shown below? Tos Naoe (A) 100% acetone TosOMOBr Tos NaOet DE + TosOMBI (B) Elон Substrate - R-OTshs k[R-Oros] [NaOet) k[NaOet] k[R-OTos) k[R-OTos] [acetone]
Given the information below: Rate= k[CH3COCH3]m [I2]n (aq) Trial Acetone (mL) HCl (mL) I2 (mL) H2O...
Given the information below: Rate= k[CH3COCH3]m [I2]n (aq) Trial Acetone (mL) HCl (mL) I2 (mL) H2O (mL) Total Volume (mL) 1 10 10 10 20 50 2 20 10 10 10 50 3 10 10 20 10 50 4 10 20 10 10 50 Trial Avg. Time (sec) ∆[I2] (mol/L) Rate = -∆[I2]/time ([mol/L]/s) 1 46.5 -0.000236 5.08*10-6 2 30.5 -0.000236 7.74* 10-6 3 138 -0.000472 3.42*10-6 4 26.5 -0.000236 8.91*10-6 How would...
QUESTION 10 Given the data below for the reaction, 2 A + 2 B + 4...
QUESTION 10 Given the data below for the reaction, 2 A + 2 B + 4 C-> D + E + 3 F the reaction is order in A, order in B order in C and order overall. USE WORDS TO FILL IN THE BLANKS NOT NUMBERS(i.e., zero, first, second etc) Initial conc of A, ial conc of B, mol/L For Blank 3 Initial conc of C, Initial rate, mol/L.s 0.2 0.3 0.4 mol/L 0.2 0.2 0.4 0.6 mol/L 0.4...
The Wittig Reaction 1. Complete the following reactions by filling in the blanks with the correct...
The Wittig Reaction 1. Complete the following reactions by filling in the blanks with the correct structures. (15 pts) NaOH PPhy COOH The scheme above is the reaction you were supposed to perform today. Answer the following question pertaining to the experiment (page 43-44). (a) The first reaction was run in acetone and the product filtered (we can instead, just remove the acetone on the rotary evaporator). What is the product? (5 pts) (b) The product obtained in part 1...
The rate of a certain reaction is given by the following rate law: rate = k...
The rate of a certain reaction is given by the following rate law: rate = k [NO]2[O2] Use this information to answer the questions below 1. What is the reaction order in NO? ________ 2. What is the reaction order in O2? __________ 3. What is overall reaction rate? __________- 4. At a certain concentration of NO and O2, the initial rate of reaction is 9.0 x 105M / s. What would the initial rate of the reaction be if...
2. (50 pts.) Consider the reaction A → R+S with rate -ra = k (oth order)...
2. (50 pts.) Consider the reaction A → R+S with rate -ra = k (oth order) in an isothermal batch reactor. The initial reaction mixture contains reactant A only. When the reaction is executed at constant volume conditions, its half-life is found to be t1/2 = 7.5 min. Suppose that the reaction is executed under isobaric conditions (assume that g = 1). Find the time required for the reaction to be completed.
Molecular iodine, I2 (g), dissociates into iodine
atoms at 652 K, with a first order rate constant of 0.452
s-1.
a. What is the half life for this reaction?
[ Select ]
["1.53 s", "0.31 s", "0.079 s", "0.39 s"]
b. If you start with 0.35 M I2 at this temperature,
how long will it take for the concentration of I2 to
reach...
Question 3 1 pts The rate constant, k, of the first order reaction A B +C is k = 8.62 x 10-35-1. If the initial concentration of A is 2.74 M, how long will it take for the concentration of A to fall below 0.32 M? Give your answer to one decimal place in MINUTES (do not input the units). For example, if your answer is 8.956 minutes, enter 9.0 Question 4 1 pts The rate constant, k, of the...
QUESTION 9 which of the following best represents the rate equation for the reaction shown below? Tos Naoe (A) 100% acetone TosOMOBr Tos NaOet DE + TosOMBI (B) Elон Substrate - R-OTshs k[R-Oros] [NaOet) k[NaOet] k[R-OTos) k[R-OTos] [acetone]
QUESTION 10 Given the data below for the reaction, 2 A + 2 B + 4 C-> D + E + 3 F the reaction is order in A, order in B order in C and order overall. USE WORDS TO FILL IN THE BLANKS NOT NUMBERS(i.e., zero, first, second etc) Initial conc of A, ial conc of B, mol/L For Blank 3 Initial conc of C, Initial rate, mol/L.s 0.2 0.3 0.4 mol/L 0.2 0.2 0.4 0.6 mol/L 0.4...
The Wittig Reaction 1. Complete the following reactions by filling in the blanks with the correct structures. (15 pts) NaOH PPhy COOH The scheme above is the reaction you were supposed to perform today. Answer the following question pertaining to the experiment (page 43-44). (a) The first reaction was run in acetone and the product filtered (we can instead, just remove the acetone on the rotary evaporator). What is the product? (5 pts) (b) The product obtained in part 1...
2. (50 pts.) Consider the reaction A → R+S with rate -ra = k (oth order) in an isothermal batch reactor. The initial reaction mixture contains reactant A only. When the reaction is executed at constant volume conditions, its half-life is found to be t1/2 = 7.5 min. Suppose that the reaction is executed under isobaric conditions (assume that g = 1). Find the time required for the reaction to be completed.
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