Chemistry skill

Solve problems relating to reactions of various orders

With this skill you will learn

Graph data to determine the order of a reaction
Determine which of the data sets corresponds to a zero-, first-, and second-order reaction

Solve problems relating to reactions of various orders Questions

Questions that need this skill to solve them

OC user

in Chemistry·

1 Sep 2020

The gas-phase decomposition of NO₂, 2NO₂(g)→2NO(g) + O₂(g), is studied at 383°C giving the following data below.

Time (s)	[NO₂] (M)
0.0	0.100
5.0	0.017
10.0	0.0090
15.0	0.0062
20.0	0.0047

What is the reaction rate when the initial concentration is 0.548M?

OC user

in Chemistry·

1 Sep 2020

Sucrose (C₁₂H₂₂O₁₁) reacts in dilute acid solutions to form two simple sugars,glucose and fructose, both of which have the formula C₆H₂₂O₆. At 23 °C and in 0.5M HCl, the following dat were obtained for the disapperance of sucrose:

Time (min)	[C₁₂H₂₂O₁₁] (M)
0	0.316
39	0.270
60	0.238
140	0.190
210	0.146

What is the rate constant for this reaction?

OC user

in Chemistry·

1 Sep 2020

Time (min)	[C₁₂H₂₂O₁₁] (M)
0	0.316
39	0.270
60	0.238
140	0.190
210	0.146

How much sucrose is remaining after 5 hours?

OC user

in Chemistry·

1 Sep 2020

Cyclopentadiene (C₅H₆) reacts with itself to form dicyclopentadiene (C₁₀H₁₂). A 0.0400 M solution of was monitored asa function of time as the reaction proceeded.

The following data were collected:

Time (s)	[C₅H₆]
0.0	0.0400
50.0	0.0300
100.0	0.0240
150.0	0.0200
200.0	0.0174

What is the order of the reaction?

OC user

in Chemistry·

1 Sep 2020

Cyclopentadiene (C₅H₆) reacts with itself to form dicyclopentadiene (C₁₀H₁₂). A 0.0400 M solution of was monitored asa function of time as the reaction proceeded.

The following data were collected:

Time (s)	[C₅H₆]
0.0	0.0520
50.0	0.0300
100.0	0.0200
150.0	0.0100
200.0	0.0050

What is the value of the rate constant?

OC user

in Chemistry·

1 Sep 2020

The decomposition of ethylene oxide, (CH₂)₂O(g) → CH₄ (g) + CO (g), at 690K is monitored by measuring the total gas pressure as a function of time. The data obtained are listed in the table below.

Time (min)	P_total(mmHg)
10	139.14
20	151.67
40	172.65
60	189.15
100	212.34
200	238.66
∞	249.88

What is the rate constant?

OC user

in Chemistry·

1 Sep 2020

The following data was collected for the reaction B+ C → D.

Time (seconds)	[B] (M)	[C] (M)
0	1.180 x10^-4	1.261 x10^-4
10	8.74 x10^-5	6.31 x10^-5
20	6.48 x10^-5	4.20 x10^-5
30	4.80 x10^-5	3.15 x10^-5
40	3.56 x10^-5	2.52 x10^-5
50	2.64 x10^-4	2.10 x10^-5

How will the rate of reaction change if the starting concentration of B and C are doubled?

OC user

in Chemistry·

1 Sep 2020

The following data was collected for the reaction B+ C → D.

Time (seconds)	[B] (M)	[C] (M)
0	1.180 x10^-4	1.261 x10^-4
10	8.74 x10^-5	6.31 x10^-5
20	6.48 x10^-5	4.20 x10^-5
30	4.80 x10^-5	3.15 x10^-5
40	3.56 x10^-5	2.52 x10^-5
50	2.64 x10^-5	2.10 x10^-5

What is the general rate law?

OC user

in Chemistry·

1 Sep 2020

The following data was collected for the reaction 2D+ E → F.

Time (seconds)	[D] (M)	[E] (M)
0	12.251 x10^-4	11.764 x10^-4
10	11.042 x10^-4	8.7210 x10^-4
20	9.8340 x10^-4	6.4660 x10^-4
30	8.6260 x10^-4	4.7930 x10^-4
40	7.4180 x10^-4	3.5530 x10^-4
50	6.2100 x10^-4	2.6340 x10^-4

What is the general rate law?

OC user

in Chemistry·

1 Sep 2020

The following data was collected for the reaction A+ B + C → 2D+E.

Time (minutes)	[A] (M)	[B] (M)	[C] (M)
0	5.012 x10^-3	2.080 x10^-3	3.199 x10^-3
5	2.506 x10^-3	1.542 x10^-3	2.883 x10^-3
15	1.253 x10^-3	8.47 x10^-4	2.253 x10^-3
20	1.002 x10^-3	6.28 x10^-4	1.937 x10^-3

What is the general rate law for the observed reaction?

OC user

in Chemistry·

1 Sep 2020

The following data was collected for the reaction A+ B + C → 2D+E.

Time (minutes)	[A] (M)	[B] (M)	[C] (M)
0	5.012 x10^-3	2.080 x10^-3	3.199 x10^-3
5	2.506 x10^-3	1.542 x10^-3	2.883 x10^-3
15	1.253 x10^-3	8.47 x10^-3	2.253 x10^-3
20	1.002 x10^-3	6.28 x10^-3	1.937 x10^-3

What order is this reaction?

OC user

in Chemistry·

1 Sep 2020

The following data was collected for the reaction A+B+C → F.

What is the general rate law?

OC user

in Chemistry·

1 Sep 2020

The following data was collected for the reaction B+D→G.

What is the general rate law?

OC user

in Chemistry·

1 Sep 2020

The following data was collected for the reaction A+B+C → F.

How does the rate of the reaction change when the starting concentration of A is tripled?

OC user

in Chemistry·

1 Sep 2020

The following data was collected for the reaction 2D+ E → F.

Time (seconds)	[D] (M)	[E] (M)
0	12.251 x10^-4	11.764 x10^-4
10	11.042 x10^-4	8.7210 x10^-4
20	9.8340 x10^-4	6.4660 x10^-4
30	8.6260 x10^-4	4.7930 x10^-4
40	7.4180 x10^-4	3.5530 x10^-4
50	6.2100 x10^-4	2.6340 x10^-4

How will the rate of reaction change if the concentration of D remains the same and that of E is doubled?

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Solve problems relating to reactions of various orders

With this skill you will learn