WorksheetsEquilibrium in Chemistry
Total questions: 12
Worksheet time: 12mins
Name
Class
Date
1.
Equilibrium is a __________ process
a)
Static
b)
Dynamic
c)
Probabilistic
d)
Fictitious
2.
At equilibrium the concentration of all species in the reaction is _________.
a)
Constant
b)
Increasing
c)
Decreasing
d)
Oscillating
3.
The idea that when a system at equilibrium is stressed, it will react to relieve that stress and return to equilibrium is known as:
a)
Boyle's Law
b)
Le Chatelier's Principle
c)
Charles Law
d)
Denninger's Law
4.
At what time the reaction reached equilibrium?
a)
t1
b)
t2
c)
t3
d)
t4
5.
2NH3+22kJ↔N2+3H2
Which direction does the reaction shift if NH3 was added?
Which direction does the reaction shift if NH3 was added?
a)
Shift right
b)
Shift left
c)
No shift
d)
Shift both directions
6.
2NH3+22kJ↔N2+3H2
Which direction does the reaction shift if NH3 was removed?
Which direction does the reaction shift if NH3 was removed?
a)
Shift right
b)
Shift left
c)
No shift
d)
Shift both directions
7.
2NH3+22kJ↔N2+3H2
Which direction does the reaction shift if H2 was removed?
Which direction does the reaction shift if H2 was removed?
a)
Shift right
b)
Shift left
c)
No shift
d)
Shift both directions
8.
2NH3+22kJ↔N2+3H2
Which direction does the reaction shift if N2 was removed?
Which direction does the reaction shift if N2 was removed?
a)
Shift right
b)
Shift left
c)
No shift
d)
Shift both directions
9.
Increasing the temperature on a ________ reaction will increase the concentration of products.
a)
Endothermic
b)
Exothermic
c)
Isothermic
10.
Decreasing the temperature of an exothermic reaction will shift the reaction to the ________
a)
left
b)
right
11.
Adding an inhibitor to a reaction will...
a)
increase the rate of reaction.
b)
decrease the rate of reaction.
c)
increase the equilibrium concentration of products.
d)
increase the equilibrium concentration of reactants.
12.
q for an exothermic reaction will be
a)
positive
b)
negative
c)
0
d)
undefined
100 %
