Unit 1 -Water
Unit 2 - Materials
Unit 3 - Petroleum
Unit 4 - Air
Miscellaneous
100
What is the process of going from a solid to a gas?
Sublimation
100
Is Si classified as a metal, non-metal or metalloid?
Metalloid
100
What is the name for energy of motion?
Kinetic Energy
100
Household bleach has a pH of about 12.0, and would therefore be classified as what?
A base
100
Resources that cannot be replenished by natural processes are called what?
Non-renewable resources
200
How many oxygen atoms are represented in 3Fe(NO3)2?
18
200
A change in which the identity of the material does not change is called what?
A physical change
200
What is the name of the alkane with the formula C3H8?
Propane
200
What two gases are the biggest components of the atmosphere?
Nitrogen (N2) and Oxygen (O2)
200
When two unknown chemicals are mixed in a beaker, the beaker freezes to the countertop. This is what kind of reaction?
An endothermic reaction
300
In a sample of normal sea water, what is the primary solute?
Salt (NaCl)
300
The property of flattening when hammered is called what?
Malleable
300
What process is used to purify petroleum?
Fractional Distillation
300
According to Charles’ Law, temperature and volume have what type of mathematical relationship?
Direct
300
Will a reaction take place? Ag + NaCl -->
No
400
What is the density of a liquid that has a volume of 3 mL and a mass of 1.5 g?
0.5 g/mL
400
What type of reaction is, Na + HCl --> H2 + NaCl?
Single Replacement
400
What is the correct way to name the compound with the formula SiO2?
Silicon dioxide
400
What two types of gases lead to the formation of acid rain?
SO2 and NO2
400
How would 1.2 x 10-4 be expressed in standard notation?
0.00012
500
What ionic compound will be formed from the combination of Mg2+ and OH1-?
Mg(OH)2
500
How many neutrons are present in one atom of 28Mg2+?
16
500
How many bonds can nitrogen form?
Three
500
A balloon contains 1 L and is under to 1 atm of pressure. The pressure on the balloon is increased to 4 atm. What is the new volume of the balloon?
0.25 L
500
Draw the electron dot structure for CO2.
http://upload.wikimedia.org/wikipedia/commons/2/29/Carbon-dioxide-octet-Lewis-2D.png
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