Homework Answers
| time | [reactant] | ln[reactant] | 1/[reactant] |
| 0 | 284 | 5.648974 | 0.003521 |
| 100 | 220 | 5.393628 | 0.004545 |
| 150 | 193 | 5.26269 | 0.005181 |
| 200 | 170 | 5.135798 | 0.005882 |
| 250 | 150 | 5.010635 | 0.006667 |
| 300 | 132 | 4.882802 | 0.007576 |
![[reactant] vs time 250 150 50 0 50 100 150 200 250 300 350](http://img.homeworklib.com/questions/2e6de6b0-b7e2-11ea-9c29-4b807fa8eb79.png?x-oss-process=image/resize,w_560)
from the graph we can conclude its first order. this can help you findout other parts. if any query comment below
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Post Lab Question for Kinetics 1. The rate of decomposition of azomethane (C2HsN2) is studied by...
The rate of decomposition of azomethane is studied by monitoring the partial pressure of the reactant...
The rate of decomposition of azomethane is studied by monitoring the partial pressure of the reactant as a function of time. The data obtained at 300°C are listed on the right. Determine the rate constant of the reaction at this temperature. time: 0, 100, 150,200,250,300 P (mmHg): 284,220,193, 170,150,132
I am so confused. Can someone please help me. I will rate 2. The decomposition of...
I am so confused. Can someone please help me. I will rate
2. The decomposition of azomethane, (CH3)2N2, was studied at 300°C, and the data shown below were obtained. In order to determine the order of this reaction, make the following three graphs using Excel. a. Plot the concentration of azomethane versus time. b. Plot the inverse concentration of azomethane versus time. c. Plot the natural logarithm of the concentration of azomethane versus time. the page. Time (min) Concentration of...
60) A student studied the kinetics of the reaction C2H4(g) C2H2(g) + H2(g) ? by monitoring...
60) A student studied the kinetics of the reaction C2H4(g) C2H2(g) + H2(g) ? by monitoring the C2H4 concentration (in moles/L) as a function of time. The student made a plot of In[C2H4] against t. The plot was a straight line with the equation y =-0.61 8x-1 .427 (where y = In [C2H4] and x = t). What was the initial C2Ha concentration? a) 0.62 moles/L b) 4.17 moles/L c) 0.24 moles/L d) 0.78 moles/L e .62 moles/L
The decomposition of N2O5 in the gas phase was studied at constant temperature. 2 N 2O5(g)...
The decomposition of N2O5 in the gas phase was studied at constant temperature. 2 N 2O5(g) → 4 NO2(g) + O2(g) The following results were collected: [N 2O5] Time (s) 0.1000 0 0.0707 50 0.0500 100 0.0250 200 0.0125 300 0.00625 400 (a) Determine the rate law and calculate the value of k. (b) Determine the concentration of N2O5(g) at 250 s. Does your calculated answer make sense? Justify your answer. (c) Determine the concentration of N2O5(g) at 600...
I 'like' all correct answers Question 2 1 pts A student makes three plots of their...
I
'like' all correct answers
Question 2 1 pts A student makes three plots of their data and finds that a plot of (A) vs t is non-linear, a plot of In[A] vs tis linear, and a plot of 1/[A] vs t is non-linear. What is the rate law of the reaction? Ratek Rate = K[A] Rate - k[A] Rate = k[A] Question 4 2 pts You will need to generate a set of graphs to answer this question. Concentration...
1. If the cell voltage is 0.473 V what is the pH of the cathode compartment...
1. If the cell voltage is 0.473 V what is the pH of the cathode compartment for the following cell where E° (Zn2+Zn) = -0.7618 V? Zn(s)[Zn2+(aq, 1.00 M)|| H*(aq, ? M)|H2(g. 1 atm)Pt(s) Dobe r to bola piwostinavia 2. Gold can be plated out of a solution containing Au according to the half-reaction Au (aq) + 3 e- - Au(s) v o n 18 How long will it take to plate out 10.0 g Au(s) (Mau = 197.0 g/mol)...
PROBLEMS 1) 20 points in the lab you studied the rate of a reaction by following...
PROBLEMS 1) 20 points in the lab you studied the rate of a reaction by following the production of 12. A similar experiment was conducted to study the Haber process for the synthesis of ammonia. The graphs below were generated by following the production of NH3. Use the information to determine the rate law. Be sure to include the value of the rate constant. Show your work for full credit. Rate = k [N2] [H2] Ammonia Synthes | | |...
kinetics problems, i have already done the problems on a separate peice of paper, just want...
kinetics problems, i have already done the problems on
a separate peice of paper, just want to check answers before
turning it in.thank you.
42 Kinetics Exercises A fictitious reaction: A(aq) B(aq) was started with an initial amount of 0.065 moles of A in 100mL of water. The following data were collected; 1. ILD Time (min) 0 10 20 30 40 Moles A 0.065 0.051 0.042 0.036 0.031 A) Calculate the moles of B at each time. Assume no B...
1. 2. Question 10 1 pts The graphs show potential energy diagrams for the same reaction...
1.
2.
Question 10 1 pts The graphs show potential energy diagrams for the same reaction at T-900. K R P 1) uncatalysed process; 2) catalysed reaction Uncatalyzed Reaction 400 300 reactants 200 100 products Reaction coordinate Uncatalysed reaction: Potential Energy (P.E.) vs reaction coordinate. Energy is measured from O to 400. kJ, and the reaction coordinate is associated with the evolution of the reaction. The PE of the reactants is 225 kJ. Then the energy grows to 400. kJ,...
Estimate the k for this reaction. (Last question on sheet) D'Youville College Chemistry 115 - Problem...
Estimate the k for this reaction. (Last question on
sheet)
D'Youville College Chemistry 115 - Problem Solving Chemistry Updated Spring 2016 Page 8 Half-lifes and order of reaction. The "reaction order" describes the dependence of rate on the concetration of a reactant. If the reaction is oth order, it's rate is independent of concentration, if it is 1st order, the rate is directly related to the concentration (ie. if the concentration is doubled, the rate will double), and if it...
I am so confused. Can someone please help me. I will rate
2. The decomposition of azomethane, (CH3)2N2, was studied at 300°C, and the data shown below were obtained. In order to determine the order of this reaction, make the following three graphs using Excel. a. Plot the concentration of azomethane versus time. b. Plot the inverse concentration of azomethane versus time. c. Plot the natural logarithm of the concentration of azomethane versus time. the page. Time (min) Concentration of...
60) A student studied the kinetics of the reaction C2H4(g) C2H2(g) + H2(g) ? by monitoring the C2H4 concentration (in moles/L) as a function of time. The student made a plot of In[C2H4] against t. The plot was a straight line with the equation y =-0.61 8x-1 .427 (where y = In [C2H4] and x = t). What was the initial C2Ha concentration? a) 0.62 moles/L b) 4.17 moles/L c) 0.24 moles/L d) 0.78 moles/L e .62 moles/L
I
'like' all correct answers
Question 2 1 pts A student makes three plots of their data and finds that a plot of (A) vs t is non-linear, a plot of In[A] vs tis linear, and a plot of 1/[A] vs t is non-linear. What is the rate law of the reaction? Ratek Rate = K[A] Rate - k[A] Rate = k[A] Question 4 2 pts You will need to generate a set of graphs to answer this question. Concentration...
1. If the cell voltage is 0.473 V what is the pH of the cathode compartment for the following cell where E° (Zn2+Zn) = -0.7618 V? Zn(s)[Zn2+(aq, 1.00 M)|| H*(aq, ? M)|H2(g. 1 atm)Pt(s) Dobe r to bola piwostinavia 2. Gold can be plated out of a solution containing Au according to the half-reaction Au (aq) + 3 e- - Au(s) v o n 18 How long will it take to plate out 10.0 g Au(s) (Mau = 197.0 g/mol)...
PROBLEMS 1) 20 points in the lab you studied the rate of a reaction by following the production of 12. A similar experiment was conducted to study the Haber process for the synthesis of ammonia. The graphs below were generated by following the production of NH3. Use the information to determine the rate law. Be sure to include the value of the rate constant. Show your work for full credit. Rate = k [N2] [H2] Ammonia Synthes | | |...
kinetics problems, i have already done the problems on
a separate peice of paper, just want to check answers before
turning it in.thank you.
42 Kinetics Exercises A fictitious reaction: A(aq) B(aq) was started with an initial amount of 0.065 moles of A in 100mL of water. The following data were collected; 1. ILD Time (min) 0 10 20 30 40 Moles A 0.065 0.051 0.042 0.036 0.031 A) Calculate the moles of B at each time. Assume no B...
1.
2.
Question 10 1 pts The graphs show potential energy diagrams for the same reaction at T-900. K R P 1) uncatalysed process; 2) catalysed reaction Uncatalyzed Reaction 400 300 reactants 200 100 products Reaction coordinate Uncatalysed reaction: Potential Energy (P.E.) vs reaction coordinate. Energy is measured from O to 400. kJ, and the reaction coordinate is associated with the evolution of the reaction. The PE of the reactants is 225 kJ. Then the energy grows to 400. kJ,...
Estimate the k for this reaction. (Last question on
sheet)
D'Youville College Chemistry 115 - Problem Solving Chemistry Updated Spring 2016 Page 8 Half-lifes and order of reaction. The "reaction order" describes the dependence of rate on the concetration of a reactant. If the reaction is oth order, it's rate is independent of concentration, if it is 1st order, the rate is directly related to the concentration (ie. if the concentration is doubled, the rate will double), and if it...
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