Chemistry 312 Warm-ups
1st Marking Period
Warm-up #1
9/16/09
Name the four steps of the scientific method.
Warm-up #2
9/22/09
Determine if it is a physical change or a chemical change.
Cutting a metal wire into two parts
Bread baking
Leaves turning colors in the fall
Icicles melting
Warm-up #3
9/29/09
Matter can be classified into two categories. Each of these can be
further classified. Draw a diagram to show how matter is
classified and then give an example of each type.
Warm-up #4
9/30/09
Determine if the following are heterogeneous mixtures, solutions,
compounds, or elements.
Gasoline
Salt
Carbon
Ocean water
C13H18O2
Italian salad dressing
Warm-up #5
10/01/09
List the three states of matter, and the shape, volume and particle
spacing of each.
Warm-up #6
10/07/09
Convert the following:
1. 1234mm = _____hm
2. 24daL = ______ cL
3. 578hg = ______dg
4. 34,597m = ______km
Warm-up #7
10/08/09
Convert the following:
1. 65oF = _______K
2. 134K = _______oC
______________________________________________________
Warm-up #8
10/12/09
Convert to the notation indicated:
1. 934.8 x 10-3 =_______x 10-5 2. .085 x 10-2 = ________x 106
Warm-up #9
10/15/09
What is the volume of material with a density of 0.68g/mL and a
mass of 32 grams?
Warm-up #10
10/16/09
Determine the density of a metal if a 45 g cube causes the water in
a graduated cylinder to rise from 10.0 mL to 13.5 mL.
Warm-up #11
10/19/09
1 in. = 2.54cm 1mile = 5280ft
Convert the following:
1 gallon = 3.765L
1. 32 ft = _______ cm
2. 18 gallons = ________L
3. 5 pounds = _________kg
4. 16 ft/ sec = __________miles/ hour
1 lb= 454g
Warm-up #12
10/22/09
Answer using the correct number of significant figures.
1. 6.7 x 104 + 3.2 x 103 = ____________
2. 5.78 x 10-2 - 1.6 x 10-1 = ______________
3. (9.08 x 105) (2.0 x 10-6) = ____________
Warm-up #13
10/23/09
Convert the following using the factor label method
1.
5 cm3 = ________in3
2.
8 gallons/ min. =_______ L/hr
3.
3.8 km = _______mm
Warm-ups due on 10/30/09. You need 13.
Warm-up #14
10/26/09
Solve using the correct number of significant figures.
4.52 x 104
+ 1.6 x 102
8.73 x 10-2
- 1.045 x 10-3
1.4 x 10-2
+ 6.87 x 10-1