WorksheetsUnit 3 Part 2 Notes 4: Factors Affecting Solubility
Total questions: 24
Worksheet time: 18mins
Which of the following would result in being able to dissolve a greater amount of solid in a solution?
Lower the temperature.
Decrease the pressure of the solution.
Increase the pressure of the solution.
Heat the solution.
You have some leftover soda after a party. Eventually, the soda will go flat. Which of the following options will slow the rate at which the CO2 escapes?
Stir the soda.
Store the soda bottle in the fridge.
Store the soda in your hot car.
Store the soda bottle in the room temperature cabinet.
Which of the following statements is true?
An increase in temperature decreases the solubility of most solids, but increases the solubility of gases.
An increase in temperature increases the solubility of most solids and gases.
An increase in temperature decreases the solubility of most solids and gases.
An increase in temperature increases the solubility of most solids, but decreases the solubility of gases.
Which of the following would increase the rate of dissolution of a solid?
Cool the solid solute and the solution.
Shake the solution.
Evaporate the solvent.
Break the solvent into smaller particles.
Which change will have the least effect on the solubility of a solid?
increase in temperature
increase in surface area
decrease in temperature
decrease in pressure
Which change will increase the solubility of a gas in water?
increase in pressure and increase in temperature
increase in pressure and decrease in temperature
decrease in pressure and increase in temperature
decrease in pressure and decrease in temperature
The solubility of which substance will not be affected by an increase in pressure?
N2(g)
SO3(g)
CO2(g)
LiCl(s)
As temperature of water increases, which substance will show a decrease in solubility?
CaBr2(s)
KNO3(s)
CO(g)
KBr(s)
As the pressure of a system is changed from 1 atm to 2 atm, the solubility of which substance will be most affected by this change?
HCl(l)
HCl(g)
LiCl(s)
LiCl(l)
At standard pressure, water at which temperature will contain the most dissolved NH4Cl(s) particles?
5oC
10oC
15oC
20oC
At which temperature would 100 g H2O(l) contain the most dissolved oxygen?
10oC
20oC
30oC
40oC
Under which conditions would carbon dioxide be most soluble in water?
10oC and 1 atm
10oC and 2 atm
20oC and 1 atm
20oC and 2 atm
Under which two conditions would water contain the least number of dissolved NH3(g) molecules?
101.3 kPa and 273 K
101.3 kPa and 546 K
60 kPa and 273 K
60 kPa and 546 K
Ionic solids will most likely dissolve in
H2O(l) which is a polar solvent
H2O(l) which is a nonpolar solvent
CCl4(l) which a polar solid
CCl4(l) which is a nonpolar solvent
As the pressure on a gas confined above a liquid increases, the solubility of the gas in the liquid
decreases
increases
remains the same
The solubility of KClO3(s) in water increases as the
temperature of the solution increases
temperature of the solution decreases
pressure on the solution increases
pressure on the solution decreases
Under which conditions of temperature and pressure is a gas most soluble in water?
high temperature and low pressure
high temperature and high pressure
low temperature and low pressure
low temperature and high pressure
Which of the following would result in being able to dissolve a greater amount of gas in a solution?
Lower the temperature of the solution.
Decrease the pressure of the solution.
Stir the solution.
Heat the solution.
Which of the following would increase the rate of dissolving of a solid?
Cool the solution.
Decrease the surface area of the solute.
Increase the polarity of the solution.
Break the solute into smaller particles.
What combination would dissolve a solid solute the fastest?
high temperature, no stirring
no heat, no stirring
sugar cube, no heat
high temperature, stirring
What would dissolve most slowly?
Large crystals in stirred water
Large crystals in unstirred water
Small crystals in stirred water
Small crystals in unstirred water
This wasn't in the video, but what do you think the effect is on fish if its surrounding water gets warmer?
Increase the metabolism
Decrease the metabolism
Stabilize the metabolism
Increase the solubility of oxygen
Thermal pollution occurs when the ambient temperature of water changes and the water quality degrades. What do you think happens to the oxygen solubility in water if it gets warmer?
There is an increase of solubility of oxygen
The solubility of oxygen in water is maintained
The solubility of oxygen decreases
There is no effect on the solubility
How does an artificial lake help in solving thermal pollution?
It stores heated water
It gives a good aesthetic view
It helps to breed fishes
It is used during the summer season where water scarcity cause
