5) An increase in equivalent conductance of a strong electrolyte with dilution is mainly due to : A increase in both i.e. number of ions and ionic mobility of ions. B increase in number of ions C increase in ionic mobility of ions D 100% ionization of electrolyte at normal dilution
5) An increase in equivalent conductance of a strong electrolyte with dilution is mainly due to : A increase in both i.e. number of ions and ionic mobility of ions. B increase in number of ions C increase in ionic mobility of ions D 100% ionization of electrolyte at normal dilution
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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![5) An increase in equivalent conductance of a strong electrolyte with dilution is mainly due
to :
A increase in both i.e. number of ions and ionic mobility of ions.
B
increase in number of ions
C increase in ionic mobility of ions
D 100% ionization of electrolyte at normal dilution
6) For the reduction of silver ions with copper metal the standard cell potential was found
to be +0.46V at 25°C. The value of standard Gibbs energy, AG° will be (F = 96500 C mol')
A -44.5 kJ B -98.0 kJ C -89.0 kJ D -89.0 J
7) The decomposition of NO2 at 300°C is described by the equation
Time (s) [NO,], M
NO: (g) = NO (g) + 1/2 O2 (g)
0.0
0.01000
and yields these data:
50.0
0.00787
100.0
0.00649
* find the reaction order
* Find the rate constant value diagrammatically.
200.0
0.00481
300.0
0.00380
* Find The half life time.
8) Consider the following reaction:
A - 20
The average rate of appearance of C is given by A[C/At. Comparing the rate of appearance
of C
and the rate of disappearance of A, we get A[C]/At =
* (A[A]/At).
A) +2
B) +1/2
С) -1
D) +1
E) -1/2
9) How many coulombs of charge pass through a cell if 2.40 amperes of current are passed
through the cell for 85.0 minutes?
a) 1.33 x 10'c
b) 2.04 x 102 C
c) 2.12 x 10° C
d) 1.22 x 10*C
10) The half -life a first order reaction is 24 hours. If we start with 10 M initial concentration
of the reactant then conc. after 96 hours will be
a) 6.25 M b) 1.25 M
c) 0.125 M d) 0.625M](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5a0c6a67-d7f5-4193-aa75-0c2ebc676553%2F379d5285-b41f-420b-b9a5-ed7e3f9652e5%2Felpqfbg_processed.jpeg&w=3840&q=75)
Transcribed Image Text:5) An increase in equivalent conductance of a strong electrolyte with dilution is mainly due
to :
A increase in both i.e. number of ions and ionic mobility of ions.
B
increase in number of ions
C increase in ionic mobility of ions
D 100% ionization of electrolyte at normal dilution
6) For the reduction of silver ions with copper metal the standard cell potential was found
to be +0.46V at 25°C. The value of standard Gibbs energy, AG° will be (F = 96500 C mol')
A -44.5 kJ B -98.0 kJ C -89.0 kJ D -89.0 J
7) The decomposition of NO2 at 300°C is described by the equation
Time (s) [NO,], M
NO: (g) = NO (g) + 1/2 O2 (g)
0.0
0.01000
and yields these data:
50.0
0.00787
100.0
0.00649
* find the reaction order
* Find the rate constant value diagrammatically.
200.0
0.00481
300.0
0.00380
* Find The half life time.
8) Consider the following reaction:
A - 20
The average rate of appearance of C is given by A[C/At. Comparing the rate of appearance
of C
and the rate of disappearance of A, we get A[C]/At =
* (A[A]/At).
A) +2
B) +1/2
С) -1
D) +1
E) -1/2
9) How many coulombs of charge pass through a cell if 2.40 amperes of current are passed
through the cell for 85.0 minutes?
a) 1.33 x 10'c
b) 2.04 x 102 C
c) 2.12 x 10° C
d) 1.22 x 10*C
10) The half -life a first order reaction is 24 hours. If we start with 10 M initial concentration
of the reactant then conc. after 96 hours will be
a) 6.25 M b) 1.25 M
c) 0.125 M d) 0.625M
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