PLEASE HELP WITH ENTIRE...
2:
Consider the dimerization of C4H6:
2 C4H6 --> C8H12
for which the following data re collected:
time (sec) | [C4H6] (M) |
0 | 1.00x10-2 |
1600 | 5.04x10-3 |
3200 | 3.37x10-3 |
4800 | 2.53x10-3 |
6200 | 2.08x10-3 |
A:
Using empirical kinetics methods, determine the order of the reaction rate law.
a |
2nd order |
|
b |
1st order |
|
c |
0th order |
|
d |
The order can not be determined from this data. |
B:
Based on the data above, calculate the concentration of
C4H6 at 7,885 seconds.
concentration of C4H6 = ___ x 10-3 M
3:
Consider the following data for the catalytic decomposition of NH3:
NH3 (M) | rate (M/hour) |
1.0 x 10-3 | 1.5 x 10-6 |
2.0 x 10-3 | 1.5 x 10-6 |
3.0 x 10-3 | 1.5 x 10-6 |
This reaction is ___ in NH3.
a. |
2nd |
b. |
1st |
c. |
0th |
d. |
can not be determined |
4:
Consider the following initial rate data for the reaction
A + B --> C
run | [A]0 | [B]0 | rate (M/s) |
1 | 0.450 | 0.100 | 0.0602 |
2 | 0.225 | 0.100 | 0.0301 |
3 | 0.225 | 0.275 | 0.2344 |
The rate law suggested by this data is ___ .
a |
rate = [A][B] |
|
b |
rate = [A][B]2 |
|
c |
rate = [A]2[B] |
|
d |
rate = [A]2[B]2 |
5:
Consider the following concentration data taken every 10 seconds for a particular reaction which will be used for this and the next three problems):
A --> products
time (sec) | [A] (M) | time (sec) | [A] (M) |
0 | 1.000 | 100 | 0.610 |
10 | 0.940 | 110 | 0.587 |
20 | 0.887 | 120 | 0.566 |
30 | 0.839 | 130 | 0.546 |
40 | 0.796 | 140 | 0.527 |
50 | 0.758 | 150 | 0.510 |
60 | 0.723 | 160 | 0.494 |
70 | 0.691 | 170 | 0.479 |
80 | 0.661 | 180 | 0.465 |
90 | 0.635 | 190 | 0.451 |
100 | 0.610 | 200 | 0.439 |
A:
What is the half-life of the reaction when the concentration of [A] is 1.000 M?
a |
About 105 seconds |
|
b |
About 45 seconds |
|
c |
About 175 seconds |
|
d |
About 155 seconds |
B:
Based on the data above, the half-life ____ as the initial concentration decreased, implying that the reaction is ___ order with respect to A.
a |
decreased, 0th |
|
b |
remained constant, 1st |
|
c |
The question cannot be answered using the given data. |
|
d |
increased, 2nd |
C:
Based on the data above, the rate constant for this reaction has a value of ___.
a. |
0.004 sec-1 |
|
b |
0.0064 M-1 sec-1 |
|
c |
The question cannot be answered using the data provided. |
|
d |
0.0027 M sec-1 |
6:
Consider the reaction:
CO(g) + NO2(g) ⟶ CO2(g) + NO(g)
for which the rate law for the reaction is
rate = k[NO2][CO]
How with the rate be affected if the total pressure is increased from 0.450 atm to 0.900 atm?
7:
The half-life for the first order decay of 32P by beta particle emission is 14.29 days. How many days will it take for 90% of the 32P to decay in a sample?
8:
For a given reaction, the rate constant doubles with the temperature increases from 22.5 oC to 38.7 oC. What is the activation energy (Ea) for the reaction?
Ea = ___ kJ/mol
9:
Consider this data for this and the following problem:
For the gas-phase dissociation reaction A --> B + C, The following data is collected at 298 K:
time (sec) | total pressure (atm) |
0 | 1.000 |
1000 | 1.359 |
3000 | 1.627 |
5000 | 1.737 |
9000 | 1.834 |
PART A:
The rate law for this reaction is given by...
PART B:
Based on the data above, calculate the total pressure at 8,263 seconds.
10:
At 473 K, for the reversible elementary reaction
2 NOCL-->K1 2 NO + CL2
<--K-1
k1=7.8×10−2 M-1 s-1 and k−1=4.7×102 M-2 s-1. A sample of NOCl is placed in a container and heated to 473 K. When the system comes to equilibrium, [NOCl] is found to be 0.11 mol/L .What is the equilibrium concentration of [NO]?
Hint: Equilibrium is achieved when the forward reaction rate is equal to the reverse reaction rate.
[NO] = ___ M
PLEASE HELP WITH ENTIRE... 2: Consider the dimerization of C4H6: 2 C4H6 --> C8H12 for which...
1: Consider the following set of data ccollected for a reaction of the form A --> products. time (seconds) [A] (M) 0 1.000 10 0.641 20 0.472 30 0.373 40 0.309 50 0.263 A: What is the average rate of the reaction for the first 10 seconds? rate = ___ M/s B: What is the average rate of the reaction between 30 and 40 seconds? rate = ___ M/s 2: Consider the dimerization of C4H6: 2 C4H6 --> C8H12 for...
Butadiene (C4H6) reacts with itself to form a dimer with the formula C8H12. The reaction is second order in C4H6. Assume the rate constant at a particular temperature is 4.0×10−2M−1s−1 and the initial concentration of C4H6 is 0.0250 M. A)What is its molarity after a reaction time of 1.10 h? B)What is the time (in hours) when the C4H6 concentration reaches a value of 0.0025 M?
Butadiene (C4H6)reacts with itself to form a dimer with the formula C8H12. The reaction is second order in C4H6. Assume the rate constant at a particular temperature is 4.0×10−2M−1s−1 and the initial concentration of C4H6 is 0.0230 MM. What is its molarity after a reaction time of 1.30 hh? What is the time (in hours) when the C4H6 concentration reaches a value of 0.0023 M?
with steps please A study of the rate of dimerization of C4H6 gave the data shown in the table: 2C4H6 –C3H12 3200 Time (s) [C4H6] (M) 0.0 1.00x10-2 1600 5.04x10-3 3.37x10-3 Determine the average rate of the reaction between 1600 s and 3200s.
I need help with both questions!!!! 3. Consider the second order reaction A → products. The rate constant for the reaction at 25 deg C is 0.350 M's? If the initial concentration of A is 0.800 M, what is the concentration after 4 seconds? a) .165 M b) .197 M c) .377 M d) .400 M e) .454 M 4. A student records the concentration of 12 as a function of time and prepares the graphs shown below. What can...
please help Answer the questions in the blue book in order. You must show all working for full credit. R- 0.08206 Latm/mol.K 1. Initial rate data at 25.0 °C for the reaction: NH4+ (aq) + NO2 (aq) ----> N2(g) + H20 (1) are shown below: Expt. [NH4+lo [NO2 lo Initial rate/Ms 0.24 0.12 0.12 0.10 0.10 0.15 7.2 x 10-6 3.6 x 10-6 iii) 5.4 x 10-6 Determine the rate law from the data and calculate the rate constant k...
4. A study of the rate of dimerization of C4H6 gave the data shown in the table: 2C4H6-C8H12 3200 6200 Time (s) 0 [C.Hol 1.00 (M) 1600 5.04 4800 2.53 3.37 x 2.08. 10-2 10-3 10-3 10-3 10-3 (a) Determine the average rate of dimerization (this reaction is a type of reaction classified as a dimerization) between 0s and 1600 s
Consider the reaction X Y +Z Which of the following is a possible rate law? a) Rate = k[X] b) Rate = K[Y] c) Rate = k[Y][Z] Rate = k[X][Y] Rate = k[Z] e) Rate 3. What are the units for the rate constant for an overall third order reaction? a) L/mol:s b) LP/mol.s mol/L'S e) L2 For which order reaction is the half-life of the reaction inversely proportional to k, the rate constant? a) zero order b) first order...
Review Constants Periodic Tab Part A Butadiene (C4H6) reacts with itself to form a dimer with the formula C8H12. The reaction is second order in C4H6. Assume the rate constant at a particular temperature is 4.0 x 10-2 M-18-1 and the initial concentration of C4H6 is 0.0180 M. What is its molarity after a reaction time of 1.30 h? Express your answer in moles per liter to two significant figures. Molarity = Submit Request Answer Part B What is the...
1. Initial rate data at 25.0 °C are listed below for the reaction: 2 HgCl2 (aq) C2O (aq)2 C (aq)+ 2 CO:(g)+ Hg Cl(s) (COP)0 Expt. HgClalo Initial rate/ 3.1 x 10 1 0.100 0.20 1.2x 10 0.100 0.40 6.2x 10S 0.050 0.40 Use the data to determine the rate law for the reaction. 2. At 500 °C, cyclopropane (CsH6) rearranges to propene (CH3CH-CH2): CH CH=CH2 (g) CaHs (g) The reaction is first order and the rate constant is 6.7...