Homework 10: Acids, Bases, and Solutions

Objective 1:


1. Solution: A solution is a mixture that has its particles evenly spread. A solution is made up of a solute and a solvent.

Colloids: A mixture that has large particles that eventually settle out.

Suspensions: A mixture with large particles that settle out quickly.

2. When a solution is formed the particles of a solute seperate.


3. Solutes lower the freezing point and raise the boiling point of a solvent.


4. 


5. Solutes lower the freezing point and raise the boiling point of a solvent.


Objective 2:

1. Concentration is measured in moles?

2. It is useful because it is a characteristic property of matter.

3. temperature, pressure, and type of solvent

4. When there is a high temperature the solid will melt becoming a liquid and changing solubility. When there is a low temperature the solid will freeze and change solubility in the opposite way.

5. It can help you identify a substance because it is a characteristic property of matter.


Objective 3:

1. sour / corrosive / 3 / 4

2. bitter / slippery / 3 / 4

3. Acids turn litmus paper red while bases turn litmus paper blue.

4.

5. It is wise to wear gloves when using fertilizer because there can be acids in them that could hurt your skin.


Objective 4:

1. hydrogen ions

2.

3.

4.

5. fewer


Objective 5:

1. mechanical and chemical digestion

2.

3. The food will either not go into the digestive track correctly or not enough saliva will have been added to your food.

4. mouth: average at 7 / stomach: 1-2 / small intestine: 7-9

5.


Objective 6:

1. " a compound usually having a sour taste andcapable of neutralizing alkalis and reddening blue litmuspaper " (Dictionary)

2.

3.

4. having the quality of eating away at metal ( like rust )

5.