College essay
14.1 Multiple-Choice and Bimodal Questions
1) Consider the following reaction:
The average rate of appearance of B is given by. Comparing the rate of appearance of B and the rate of disappearance of A, we get
A) -2/3
B) +2/3
C) -3/2
D) +1
E) +3/2
2) Nitrogen dioxide decomposes to nitric oxide and oxygen via the reaction:
In a particular experiment at 300 °C, drops from 0.0100 to 0.00650 M in The rate of appearance of for this period is __________ M/s.
3) Which substance in the reaction below either appears or disappears the fastest?
A)
B)
C)
D)
E) The rates of appearance/disappearance are the same for all of these.
4) Consider the following reaction:
The average rate of appearance of C is given by. Comparing the rate of appearance of C and the rate of disappearance of A, we get.
A)
B)
C)
D)
E)
A flask is charged with 0.124 mol of A and allowed to react to form B according to the reaction A(g) →B(g). The following data are obtained for [A] as the reaction proceeds:
5) The average rate of disappearance of A between 10 s and 20 s is __________ mol/s. A)
B)
C)
D) 454
E)
6) The average rate of disappearance of A between 20 s and 40 s is __________ mol/s.
A)
B)
C) 590
D)
E)
7) The average rate of appearance of B between 20 s and 30 s is __________ mol/s.
A)
B)
C)
D)
E)
8) The average rate disappearance of A between 20 s and 30 s is __________ mol/s.
A)
B)
C).
D) 670
E) 0.15
9) How many moles of B are present at 10 s?
A) 0.011
B) 0.220
C) 0.110
D) 0.014
E)
10) How many moles of B are present at 30 s?
A)
B) 0.15
C) 0.073
D)
E) 0.051 The peroxydisulfate ion reacts with the iodide ion in aqueous solution via the reaction:
An aqueous solution containing 0.050 M of ion and 0.072 M of is prepared, and the progress of the reaction followed by measuring []. The data obtained is given in the table below.
11) The average rate of
1) Consider the following reaction:
The average rate of appearance of B is given by. Comparing the rate of appearance of B and the rate of disappearance of A, we get
A) -2/3
B) +2/3
C) -3/2
D) +1
E) +3/2
2) Nitrogen dioxide decomposes to nitric oxide and oxygen via the reaction:
In a particular experiment at 300 °C, drops from 0.0100 to 0.00650 M in The rate of appearance of for this period is __________ M/s.
3) Which substance in the reaction below either appears or disappears the fastest?
A)
B)
C)
D)
E) The rates of appearance/disappearance are the same for all of these.
4) Consider the following reaction:
The average rate of appearance of C is given by. Comparing the rate of appearance of C and the rate of disappearance of A, we get.
A)
B)
C)
D)
E)
A flask is charged with 0.124 mol of A and allowed to react to form B according to the reaction A(g) →B(g). The following data are obtained for [A] as the reaction proceeds:
5) The average rate of disappearance of A between 10 s and 20 s is __________ mol/s. A)
B)
C)
D) 454
E)
6) The average rate of disappearance of A between 20 s and 40 s is __________ mol/s.
A)
B)
C) 590
D)
E)
7) The average rate of appearance of B between 20 s and 30 s is __________ mol/s.
A)
B)
C)
D)
E)
8) The average rate disappearance of A between 20 s and 30 s is __________ mol/s.
A)
B)
C).
D) 670
E) 0.15
9) How many moles of B are present at 10 s?
A) 0.011
B) 0.220
C) 0.110
D) 0.014
E)
10) How many moles of B are present at 30 s?
A)
B) 0.15
C) 0.073
D)
E) 0.051 The peroxydisulfate ion reacts with the iodide ion in aqueous solution via the reaction:
An aqueous solution containing 0.050 M of ion and 0.072 M of is prepared, and the progress of the reaction followed by measuring []. The data obtained is given in the table below.
11) The average rate of