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Chemical Equilibrium
Unit of the equilibrium constant for N2 + O2 2NO is
no units
mol dm-3
dm3mol-1
[mol dm-3]-2
Author:
rikazzz
Comment
Chemical Equilibrium
Which of the following is used as a catalyst in the contact process?
Zeolite
Ag
Pd
Pt
Author:
rikazzz
Comment
Chemical Equilibrium
K
f
and K
r
are
equilibrium constants
reaction constants
chemical constants
rate constants
Author:
rikazzz
Comment
Chemical Equilibrium
Which process is used for the large scale production of sulphuric acid?
contact process
Haber process
sulphuric acid process
none of above
Author:
rikazzz
Comment
Chemical Equilibrium
Which of the following reactions causes acid droplets to spew in all directions?
acid base reaction
combustion
vigorous reaction
decomposition
Author:
rikazzz
Comment
Chemical Equilibrium
What is denoted by the subscript 'c' in Kc?
chemical equilibrium
chemical reaction
molar concentration at equilibrium
rate of chemical reaction
Author:
rikazzz
Comment
Chemical Equilibrium
The rate at which a substance reacts is directly proportional to its
product
active mass
reactant
catalysts
Author:
rikazzz
Comment
Chemical Equilibrium
Which of the following statements about catalysts is not true?
they speed up a chemical reaction
they reduce the time taken to reach equilibrium
they have effect on the position of equilibrium once it is reached
they have no effect on the position of equilibrium one it is reached
Author:
rikazzz
Comment
Chemical Equilibrium
What is represented by each figure within a square bracket in the equilibrium expression?
concentration in mol.dm-3
volume of products
mass of products
mass of reactants
Author:
rikazzz
Comment
Chemical Equilibrium
In the reverse reaction SO
3
decomposes in to
S and O
S and O
2
S
2
and O
SO
2
and O
2
Author:
rikazzz
Comment
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