SOLUTIONS?
SOLUBILTY
Acids/ Bases
pH scale
Miscellaneous
100
The substance in which the solute dissolves
What is the solvent?
100
True or False: heating always increases the rate of solubility of all substances.
What is False?
100
Acids will make litmus paper turn to this color.
Red
100
Coffee has a pH of 5. Given this information, coffee would be considered one of these.
Acid
100
The solvent that is sometimes called the "Universal Solvent"
What is water?
200
A solution that contains very little solute is considered to be
What is Dilute?
200
Name 1 way that you can increase the rate of solubility of any substance.
What is stirring or crushing?
200
Bases turn litmus paper to this color.
Blue
200
If you have a swimming pool that has a pH of 6.8 and the desired pH is 7.5, this will need to be added.
a base
200
What is an ion?
A charged particle
300
What is being dissolved in the solvent?
Solute
300
The ability of a solute to dissolve in a substance at a certain temperature.
What is solubility?
300
Can form the hydronium ion H₃O+ in solution
Acids
300
Citric acid is found in many fruits, yet fruits are safe to eat. Which is most likely to be the pH of citric acid: 1, 5, 7, or 10
5
300
The reaction between an acid and a base results in the formation of water and this.
Salt
400
a substance with a lot of solute is said to be
What is concentrated?
400
How many grams of ammonium chloride (NH4Cl) dissolve at 50oC?
50g
400
If a reaction gives of hydroxide ions, this type of reactant had to be present.
Base
400
List each as acidic or basic
1. milk
2. gastric juice
3. bleach
4. hand soap
400
What kind of reaction if produced between and acid and base?
Neutralization
500
A combination of 2 or more substances that are not chemically combined.
What is a mixture?
500
Are the following solutions unsaturated, saturated, or supersaturated?
1. 45g of NaNO3 in 100g of water at 30oC
2. 60g of KClO3 in 100g of water at 60oC
1. US
2. SS
500
List three properties of acids
Sour, React with metals, Turns red litmus blue
500
Using the above scale; what is the pH of human blood? Is it acidic or basic?
8, basic (alkaline)
500
Give three ways to slow down a gas from dissolving.
shake/stir it, increase temperature, decrease pressure