Portage Learning / CHEM 103 / Module 1 to 6
Exam
1
PORTAGE LEARNING / CHEM 103 / MODULE 1 TO 6 EXAM
ANSWERS Latest UPDATE 2023/2024 (GRADED A+)
MODULE 1 EXAM
Question 1
Click this link to access the Periodic Table. This may be helpful
throughout the exam.
1. Convert 845.3 to exponential form and explain your answer.
2. Convert 3.21 x 10 to ordinary form and explain your answer.
-5
1. Convert 845.3 = larger than 1 = positive exponent, move decimal 2
places
= 8.453 x 10 2
2. Convert 3.21 x 10- 5 = negative exponent = smaller than 1,
move decimal 5 places = 0.0000321
Question 2
Click this link to access the Periodic Table. This may be helpful
throughout the exam.
Using the following information, do the conversions shown below,
showing all work:
1 ft = 12 inches 1 pound = 16 oz 1 gallon = 4
quarts
1 mile = 5280 1 ton = 2000 pounds 1 quart = 2 pints
feet
kilo (= milli (= centi (=
1000) 1/1000) deci (= 1/10)
1/100)
1. 24.6 grams = ? kg
2. 6.3 ft = ? inches
1. 24.6 grams x 1 kg / 1000 g = 0.0246 kg
,Portage Learning / CHEM 103 / Module 1 to 6
Exam
2
2. 6.3 ft x 12 in / 1 ft = 75.6 inches
please always use the correct units in your final answer
,Portage Learning / CHEM 103 / Module 1 to 6
Exam
3
Question 3
, Portage Learning / CHEM 103 / Module 1 to 6
Exam
4
Click this link to access the Periodic Table. This may be helpful
throughout the exam.
Do the conversions shown below, showing all work:
1. 28 C = ?
o
K 2.158 F =
o o
? C 3.
o
343 K
o
= ? F o
1. 28 C + 273 = 301 K
o o o
C → K (make larger)
o
+273
2. 158 F - 32 ÷ 1.8 = 70 C
o o o
F → C (make smaller)
o
-32 ÷1.8
3. 343 K - 273 = 70 C x 1.8 + 32 = 158 F
o o o
K → C→ F
o o o
Question 5
Click this link to access the Periodic Table. This may be helpful
throughout the exam.
1. 3.0600 contains ? significant figures.
Exam
1
PORTAGE LEARNING / CHEM 103 / MODULE 1 TO 6 EXAM
ANSWERS Latest UPDATE 2023/2024 (GRADED A+)
MODULE 1 EXAM
Question 1
Click this link to access the Periodic Table. This may be helpful
throughout the exam.
1. Convert 845.3 to exponential form and explain your answer.
2. Convert 3.21 x 10 to ordinary form and explain your answer.
-5
1. Convert 845.3 = larger than 1 = positive exponent, move decimal 2
places
= 8.453 x 10 2
2. Convert 3.21 x 10- 5 = negative exponent = smaller than 1,
move decimal 5 places = 0.0000321
Question 2
Click this link to access the Periodic Table. This may be helpful
throughout the exam.
Using the following information, do the conversions shown below,
showing all work:
1 ft = 12 inches 1 pound = 16 oz 1 gallon = 4
quarts
1 mile = 5280 1 ton = 2000 pounds 1 quart = 2 pints
feet
kilo (= milli (= centi (=
1000) 1/1000) deci (= 1/10)
1/100)
1. 24.6 grams = ? kg
2. 6.3 ft = ? inches
1. 24.6 grams x 1 kg / 1000 g = 0.0246 kg
,Portage Learning / CHEM 103 / Module 1 to 6
Exam
2
2. 6.3 ft x 12 in / 1 ft = 75.6 inches
please always use the correct units in your final answer
,Portage Learning / CHEM 103 / Module 1 to 6
Exam
3
Question 3
, Portage Learning / CHEM 103 / Module 1 to 6
Exam
4
Click this link to access the Periodic Table. This may be helpful
throughout the exam.
Do the conversions shown below, showing all work:
1. 28 C = ?
o
K 2.158 F =
o o
? C 3.
o
343 K
o
= ? F o
1. 28 C + 273 = 301 K
o o o
C → K (make larger)
o
+273
2. 158 F - 32 ÷ 1.8 = 70 C
o o o
F → C (make smaller)
o
-32 ÷1.8
3. 343 K - 273 = 70 C x 1.8 + 32 = 158 F
o o o
K → C→ F
o o o
Question 5
Click this link to access the Periodic Table. This may be helpful
throughout the exam.
1. 3.0600 contains ? significant figures.
