Distinguish among types of solutions such as electrolytes and nonelectrolytes; unsaturated, saturated, and supersaturated solutions; and strong and weak acids and bases.
Describe the unique role of water in solutions in terms of polarity.
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Q 1/14
Score 0
What will happen to the ability of a gas to dissolve in a liquid if the temperature increases?
30
The solubility of the gas is not affected
The solubility of the gas increases
The solubility of the gas increases or decreases
The solubility of the gas decreases
Q 2/14
Score 0
Which of the following would result in being able to dissolve a greater amount of gas in a solution?
30
Heat the gas and solution
Decrease the pressure of the solution
Make the gas an eectrolyte
Cool the gas and solution
14 questions
Q.
What will happen to the ability of a gas to dissolve in a liquid if the temperature increases?
1
30 sec
112.35.c.10.f
Q.
Which of the following would result in being able to dissolve a greater amount of gas in a solution?
2
30 sec
112.35.c.10.f
Q.
Which of the following would decrease the rate of solution when dissolving a solid in water?
3
30 sec
112.35.c.10.f
Q.
Which of the following would increase the rate of dissolution of a solid in solution?
4
30 sec
112.35.c.10.f
Q.
Which of the following statements makes a valid conclusion regarding the graph above?
5
30 sec
112.35.c.10.f
Q.
A student attended an event at a traditional tea room that offered sugar cubes instead of sugar packets. She added two sugar cubes to a cup of hot tea. After she finished drinking the tea, she was surprised to see two small chunks of undissolved sugar at the bottom of her cup. All the sugar dissolves in a tea of the same temperature when added from a packet. Which of the following BEST explains why sugar remains undissolved from cubes but not from packets?
6
30 sec
112.35.c.10.f
Q.
While stirring, solid table salt is added to a beaker of water until no more salt will dissolve and salt crystals are visible at the bottom of the beaker. When the beaker is heated, the crystals dissolve. The effect of heat in this situation -
7
30 sec
112.35.c.10.f
Q.
A solution that contains the maximum amount of solute that is soluble at a given temperature is said to be a -
8
30 sec
112.35.c.10.e
Q.
A solution in which more solute is dissolved than is typically soluble at a given temperature is -
9
30 sec
112.35.c.10.e
Q.
Refer to the graph. 90 grams of sodium nitrate (NaNO3) is put into 100 grams of water and stirred. The final mixture has a temperature of 20 degrees C. About how many grams of the sodium nitrate dissolved?
10
30 sec
112.35.c.10.b
Q.
Why is water sometimes called the "universal solvent"?
11
30 sec
112.35.c.10.a
Q.
Students are asked to make statements about the solubility graph above. Which student does the best job of communicating the general features of the graph?
12
30 sec
112.35.c.10.b
Q.
Refer to the graph above. In order to have a saturated solution, how many grams of potassium nitrate, KNO3, need to be dissolved in 100 grams of water at 20 degrees C?
13
30 sec
112.35.c.10.b
Q.
Which two factors must be considered when predicting whether two substances will dissolve in each other?
