Top of Form
Consider the following equilibrium, established in a 2 L flask at 30єC.
H0= -41.2 kJ
What will happen to the concentration of CO if the temperature is
increased?
Bottom of Form
(10 points)
Top of Form
Consider the following equilibrium, established in a 1.0 L flask at
20єC.
H0=19 kJ
What will happen to the concentration of CO if more FeO is added?
Decrease
Bottom of Form
(10 points)
Top of Form
Consider the following equilibrium, established in a 1.0 L flask at
20єC.
H0=19 kJ
What will happen to the concentration of CO if the temperature is
decreased?
Increase
Bottom of Form
(10 points)
Top of Form
The following reaction has an equilibrium constant of 0.083 at 900°C.
CO(g) + Cl2(g)
If you have 1.00 mole of COCl2(g) in a 1.00L container initially, how
many moles of COCl2 will be present when the system reaches equilibrium?
.71 moles
Bottom of Form
(10 points)
Top of Form
Consider the following equilibrium, established in a 2.0 L flask at
50єC.
NiO(s) + CO(g)
If the pressure is increased by decreasing the volume of the container,
in which direction will the equilibrium shift?
c. It will not change.
No Change
Bottom of Form
(10 points)
Top of Form
The following reaction has an equilibrium constant of 0.050 at a given
temperature.
2NO(g)
If you have 0.75 moles of N2(g) and 0.75 moles of O2(g) in a 2.0L
container initially, how many moles of N2 will be present when the
system reaches equilibrium?
g. 0.08 moles
Bottom of Form
.37 moles
(10 points)
Top of Form
Consider the following equilibrium, established in a 1.0 L flask at
20єC.
H0=19 kJ
What will happen to the concentration of CO2 if the temperature is
increased?
Increase
Bottom of Form
(10 points)
Top of Form
Consider the following equilibrium, established in a 2 L flask at
30єC.
H0= -41.2 kJ
What will happen to the concentration of CO if the temperature is
decreased?
Increase
Bottom of Form
(10 points)
Top of Form
The following reaction has an equilibrium constant, Kc, of 12 at
900°C.
COCl2(g)
If you have 0.57 moles of Cl2(g) and 0.57 moles of CO(g) in a 1.0L
container initially, how many moles of CO will be present when the
system reaches equilibrium?
Bottom of Form
(10 points)
Top of Form
The following reaction has an equilibrium constant of 1.26 x 10-3 at
298K.
H2(g) + I2(g)
Which of the following statements is true?
Answer B
Bottom of Form
Chemistry Homework Solutions
#21212
Review Problems
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