Chemistry Semester II Exam Review

5 Written Questions

1. Practice the three steps of a titration problem
2. Molarity equals ___________/___________
3. An example of a blood buffer...
4. Characteristic of some liquids to rise in thin tubes...
5. Bread is an example of what kind of colloid?

5 Matching Questions

1. solid aerosol
2. acetic
3. liquid aerosol
4. colloids
5. iron

1. a These are not true solutions but may take a while to settle out.
2. b Fog is an example of what kind of colloid?
3. c Soot is an example of what kind of colloid?
4. d The luminol test reacts with _____ in the blood for it to glow.
5. e What is an example of a common weak acid?

5 Multiple Choice Questions

1. What is an example of a common weak base?
   1. 273
   2. STP
   3. sol
   4. NH3
2. STP in Kelvin and kilopascals is
   1. standard
   2. salt and water
   3. 273 K and 101 kPa
   4. 273
3. An element that loses electrons is said to be _______.
   1. acid
   2. oxidized
   3. oxidizing
   4. strong
4. Diatomic molecules such as O2 has a difference in electronegativity that equals
   1. sol
   2. strong
   3. mole
   4. zero
5. The ideal gas law is
   1. PV=NRT
   2. zero
   3. NH3
   4. iron

5 True/False Questions

1. oxidized → An element that loses electrons is said to be _______.

   True        False

2. look in your notes or online → Fog is an example of what kind of colloid?

   True        False

3. titration → When oxidation occurs there will always be a ________ .

   True        False

4. mole → A unit that measures the number of molecules, formula units or atoms...

   True        False

5. look in your notes or online → Know how to find percent composition of an element in a compound if I give you the formula of the compound. For example find the % composition of Oxygen in water. Answer is 89%.

   True        False