Introduction To General, Organic, And Biological Chemistry With Lab c. c. c. c. c. c. c. c.
CHEM 120/103 MODULES EXAM COLLECTION c. c. c. c. c.
2023 FINEST MOD 1-6 PRE PREDICTOR EXAM
c. c. c. c. c. c. c. c.
GUARANTEED PASS
c. c.
MODULE 1 EXAM c. c.
Click this link to access the Periodic Table. This may be helpful throughout the
c. c. c. c. c. c. c. c. c. c. c. c. c.
exam.
c.
1. Convert 845.3 to exponential form and explain your answer. c. c. c. c. c. c. c. c.
2. Convert 3.21 x 10-5 to ordinary form and explain your answer. c. c. c.
c .
c. c. c. c. c. c.
1. Convert 845.3 = larger than1 = positive exponent,move decimal 2 places c. c. c. c. c. c. c. c. c. c. c. c.
= 8.453 x 102
c. c. c.
2. Convert3.21x10-5 =negativeexponent=smallerthan1,move decimal5 c. c. c.
c .
.
c c. c. .
c c. c. c. c. c.
places = 0.0000321 c. c.
QUIZ# 2 c .
Click this link to access the Periodic Table. This may be helpful throughout the
c. c. c. c. c. c. c. c. c. c. c. c. c.
exam.
c.
Using the following information, do the conversions shown below, showing all work:
c. c. c. c. c. c. c. c. c. c. c.
1ft= 12inches
.
c c. c. c. 1 pound = 16 oz
c. c. c. c. 1gallon=4 quarts
.
c c. c. c.
1 mile = 5280 feet
c. c. c. c. 1 ton = 2000 pounds
c. c. c. c. 1quart=2 pints
.
c .
c c. c.
kilo(=1000) c. c. milli (= 1/1000) c. c. centi (= c.
1/100)
c. c. deci (= 1/10) c. c.
1. 24.6 grams = ? kg c. c. c. c.
,Introduction To General, Organic, And Biological Chemistry With Lab
c. c. c. c. c. c. c. c.
2. 6.3ft=? inches .
c .
c .
c c.
1. 24.6 grams x 1 kg / 1000 g = 0.0246 kg
c. c. c. c. c. c. c. c. c. c.
2. 6.3 ft x 12 in / 1 ft = 75.6 inches
c. c. c. c. c. c. c. c. c. c.
please always use the correct units in your final answer
c. c. c. c. c. c. c. c. c.
QUIZ# 3 c.
,Introduction To General, Organic, And Biological Chemistry With Lab
c. c. c. c. c. c. c. c.
Click this link to access the Periodic Table. This may be helpful throughout the
c. c. c. c. c. c. c. c. c. c. c. c. c.
exam.
c.
Do the conversions shown below, showing all work:
c. c. c. c. c. c. c.
1. 28oC=?oK c. .
c c.
2. 158oF = ? oC c. c. c.
3. 343oK = ? oF c. c. c.
1. 28oC + 273 = 301 oK c. c. c. c. c.
o
C→ oK(makelarger) c. c. c. c.
+273
2. 158oF - 32 ÷ 1.8 = 70 oC c. c. c. c. c. c. c.
o
F → oC(makesmaller)
c. c. c. c.
-32 ÷1.8 c.
3. 343oK - 273 = 70 oC x 1.8 + 32 = 158 oF c. c. c. c. c. c. c. c. c. c. c. c. K → oC → oF
o
c. c. c. c.
QUIZ# 4 c .
Click this link to access the Periodic Table. This may be helpful throughout the
c. c. c. c. c. c. c. c. c. c. c. c. c.
exam.
c.
Be sure to show the correct number of significant figures in each calculation.
c. c. c. c. c. c. c. c. c. c. c. c.
1. Show the calculation of the mass of a 18.6 ml sample of freon with c. c. c. c. c. c. c. c. c. c. c. c. c.
density of 1.49 g/ml
c. c. c. c.
2. Show the calculation of the density of crude oil if 26.3 g occupies 30.5 ml.
c. c. c. c. c. c. c. c. c. c. c. c. c. c.
1. M=D x V= 1.49 x18.6 = 27.7 g
.
c .
c c. .
c c. c. c. c. c. c. c.
2. D = M / V = 26..5 = 0.862 g/ml
c. c. c. c. c. c. c. c. c. c. c.
QUIZ# 5 c .
Click this link to access the Periodic Table. This may be helpful throughout the
c. c. c. c. c. c. c. c. c. c. c. c. c.
exam.
c.
1. 3.0600 contains ? significant figures. c. c. c. c.
2. 0.0151 contains ? significant figures. c. c. c. c.
, Introduction To General, Organic, And Biological Chemistry With Lab
c. c. c. c. c. c. c. c.
3. 3.0600 ÷ 0.0151 = ? (give answer to correct number of significant
c. c. c. c. c. c. c. c. c. c. c.
figures)
c.
1. 3.0600 contains 5 significant figures. c. c. c. c.
2. 0.0151 contains 3 significant figures. c. c. c. c.
3. 3.0600 ÷ 0.0151 = 202.649 = 203 (to 3 significant figures for 0.0151)
c. c. c. c. c. c. c. c. c. c. c. c.
QUIZ# 6 c .
Click this link to access the Periodic Table. This may be helpful throughout the
c. c. c. c. c. c. c. c. c. c. c. c. c.
exam.
c.
Classify each of the following as an element, compound, solution or heterogeneous
c. c. c. c. c. c. c. c. c. c. c.
mixture and explain your answer.
c. c. c. c. c.
1. Coca cola c.
2. Calcium
3. Chili
1. Coca cola - is not on periodic table (not element) - no element names
c. c. c. c. c. c. c. c. c. c. c. c. c.
(not compound)
c. c.
appears to be one substance = Solution c. c. c. c. c. c.
2. Calcium - is on periodic table = Element c. c. c. c. c. c. c.
3. Chili - is not on periodic table (not element) - no element names (not
c. c. c. c. c. c. c. c. c. c. c. c. c.
compound)
c.
appears as more than one substance (meat, beans,
c . c. c. c . c. c. c .
sauce) = Hetero Mix
c. c. c.
QUIZ# 7 c .
Click this link to access the Periodic Table. This may be helpful throughout the
c. c. c. c. c. c. c. c. c. c. c. c. c.
exam.
c.
Classify each of the following as a chemical change or a physical change
c. c. c. c. c. c. c. c. c. c. c. c.
1. Charcoal burns c.
2. Mixing cake batter with water c. c. c. c.
CHEM 120/103 MODULES EXAM COLLECTION c. c. c. c. c.
2023 FINEST MOD 1-6 PRE PREDICTOR EXAM
c. c. c. c. c. c. c. c.
GUARANTEED PASS
c. c.
MODULE 1 EXAM c. c.
Click this link to access the Periodic Table. This may be helpful throughout the
c. c. c. c. c. c. c. c. c. c. c. c. c.
exam.
c.
1. Convert 845.3 to exponential form and explain your answer. c. c. c. c. c. c. c. c.
2. Convert 3.21 x 10-5 to ordinary form and explain your answer. c. c. c.
c .
c. c. c. c. c. c.
1. Convert 845.3 = larger than1 = positive exponent,move decimal 2 places c. c. c. c. c. c. c. c. c. c. c. c.
= 8.453 x 102
c. c. c.
2. Convert3.21x10-5 =negativeexponent=smallerthan1,move decimal5 c. c. c.
c .
.
c c. c. .
c c. c. c. c. c.
places = 0.0000321 c. c.
QUIZ# 2 c .
Click this link to access the Periodic Table. This may be helpful throughout the
c. c. c. c. c. c. c. c. c. c. c. c. c.
exam.
c.
Using the following information, do the conversions shown below, showing all work:
c. c. c. c. c. c. c. c. c. c. c.
1ft= 12inches
.
c c. c. c. 1 pound = 16 oz
c. c. c. c. 1gallon=4 quarts
.
c c. c. c.
1 mile = 5280 feet
c. c. c. c. 1 ton = 2000 pounds
c. c. c. c. 1quart=2 pints
.
c .
c c. c.
kilo(=1000) c. c. milli (= 1/1000) c. c. centi (= c.
1/100)
c. c. deci (= 1/10) c. c.
1. 24.6 grams = ? kg c. c. c. c.
,Introduction To General, Organic, And Biological Chemistry With Lab
c. c. c. c. c. c. c. c.
2. 6.3ft=? inches .
c .
c .
c c.
1. 24.6 grams x 1 kg / 1000 g = 0.0246 kg
c. c. c. c. c. c. c. c. c. c.
2. 6.3 ft x 12 in / 1 ft = 75.6 inches
c. c. c. c. c. c. c. c. c. c.
please always use the correct units in your final answer
c. c. c. c. c. c. c. c. c.
QUIZ# 3 c.
,Introduction To General, Organic, And Biological Chemistry With Lab
c. c. c. c. c. c. c. c.
Click this link to access the Periodic Table. This may be helpful throughout the
c. c. c. c. c. c. c. c. c. c. c. c. c.
exam.
c.
Do the conversions shown below, showing all work:
c. c. c. c. c. c. c.
1. 28oC=?oK c. .
c c.
2. 158oF = ? oC c. c. c.
3. 343oK = ? oF c. c. c.
1. 28oC + 273 = 301 oK c. c. c. c. c.
o
C→ oK(makelarger) c. c. c. c.
+273
2. 158oF - 32 ÷ 1.8 = 70 oC c. c. c. c. c. c. c.
o
F → oC(makesmaller)
c. c. c. c.
-32 ÷1.8 c.
3. 343oK - 273 = 70 oC x 1.8 + 32 = 158 oF c. c. c. c. c. c. c. c. c. c. c. c. K → oC → oF
o
c. c. c. c.
QUIZ# 4 c .
Click this link to access the Periodic Table. This may be helpful throughout the
c. c. c. c. c. c. c. c. c. c. c. c. c.
exam.
c.
Be sure to show the correct number of significant figures in each calculation.
c. c. c. c. c. c. c. c. c. c. c. c.
1. Show the calculation of the mass of a 18.6 ml sample of freon with c. c. c. c. c. c. c. c. c. c. c. c. c.
density of 1.49 g/ml
c. c. c. c.
2. Show the calculation of the density of crude oil if 26.3 g occupies 30.5 ml.
c. c. c. c. c. c. c. c. c. c. c. c. c. c.
1. M=D x V= 1.49 x18.6 = 27.7 g
.
c .
c c. .
c c. c. c. c. c. c. c.
2. D = M / V = 26..5 = 0.862 g/ml
c. c. c. c. c. c. c. c. c. c. c.
QUIZ# 5 c .
Click this link to access the Periodic Table. This may be helpful throughout the
c. c. c. c. c. c. c. c. c. c. c. c. c.
exam.
c.
1. 3.0600 contains ? significant figures. c. c. c. c.
2. 0.0151 contains ? significant figures. c. c. c. c.
, Introduction To General, Organic, And Biological Chemistry With Lab
c. c. c. c. c. c. c. c.
3. 3.0600 ÷ 0.0151 = ? (give answer to correct number of significant
c. c. c. c. c. c. c. c. c. c. c.
figures)
c.
1. 3.0600 contains 5 significant figures. c. c. c. c.
2. 0.0151 contains 3 significant figures. c. c. c. c.
3. 3.0600 ÷ 0.0151 = 202.649 = 203 (to 3 significant figures for 0.0151)
c. c. c. c. c. c. c. c. c. c. c. c.
QUIZ# 6 c .
Click this link to access the Periodic Table. This may be helpful throughout the
c. c. c. c. c. c. c. c. c. c. c. c. c.
exam.
c.
Classify each of the following as an element, compound, solution or heterogeneous
c. c. c. c. c. c. c. c. c. c. c.
mixture and explain your answer.
c. c. c. c. c.
1. Coca cola c.
2. Calcium
3. Chili
1. Coca cola - is not on periodic table (not element) - no element names
c. c. c. c. c. c. c. c. c. c. c. c. c.
(not compound)
c. c.
appears to be one substance = Solution c. c. c. c. c. c.
2. Calcium - is on periodic table = Element c. c. c. c. c. c. c.
3. Chili - is not on periodic table (not element) - no element names (not
c. c. c. c. c. c. c. c. c. c. c. c. c.
compound)
c.
appears as more than one substance (meat, beans,
c . c. c. c . c. c. c .
sauce) = Hetero Mix
c. c. c.
QUIZ# 7 c .
Click this link to access the Periodic Table. This may be helpful throughout the
c. c. c. c. c. c. c. c. c. c. c. c. c.
exam.
c.
Classify each of the following as a chemical change or a physical change
c. c. c. c. c. c. c. c. c. c. c. c.
1. Charcoal burns c.
2. Mixing cake batter with water c. c. c. c.
