ortage Learning / CHEM 103 / Module 1 to 6 Exam
answers Latest UPDATE 2021/2022 GRADED A+
Portage Learning / CHEM 103 / Module 1 to 6 Exam
answers
... [Show More] Latest UPDATE 2021/2022 GRADED A+
Portage Learning / CHEM 103 / Module 1 to 6 Exam
answers Latest UPDATE 2021/2022 GRADED A+
Pay it forward.
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
-5 to ordinary form and explain your answer.
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 feet 1 ton = 2000 pounds 1 quart = 2 pints
kilo (= 1000)
1/100)
milli (= 1/1000)
deci (= 1/10)
centi (=
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
answers Latest UPDATE 2021/2022 GRADED A+
Portage Learning / CHEM 103 / Module 1 to 6 Exam
answers Latest UPDATE 2021/2022 GRADED A+
Portage Learning / CHEM 103 / Module 1 to 6 Exam
answers Latest UPDATE 2021/2022 GRADED A+
2. 6.3 ft x 12 in / 1 ft = 75.6 inches
please always use the correct units in your final answer
Question 3
Portage Learning / CHEM 103 / Module 1 to 6 Exam
answers Latest UPDATE 2021/2022 GRADED A+
Portage Learning / CHEM 103 / Module 1 to 6 Exam
answers Latest UPDATE 2021/2022 GRADED A+
Portage Learning / CHEM 103 / Module 1 to 6 Exam
answers Latest UPDATE 2021/2022 GRADED A+
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
oC = ?
oK
2. 158
oF = ?
oC
3. 343
oK = ?
oF
1. 28
oC + 273 = 301
oK
oC → oK (make larger)
+273
2. 158
oF - 32 ÷ 1.8 = 70
oC
oF → oC (make smaller)
-32 ÷1.8
3. 343
oK - 273 = 70
oC x 1.8 + 32 = 158
oF
oK → oC → oF
Question 4
Click this link to access the Periodic Table. This may be helpful throughout
the exam.
Be sure to show the correct number of significant figures in each calculation.
1. Show the calculation of the mass of a 18.6 ml sample of freon with
density of 1.49 g/ml
2. Show the calculation of the density of crude oil if 26.3 g occupies 30.5
ml.
1. M = D x V = 1.49 x 18.6 = 27.7 g
2. D = M / V = 26.3 / 30.5 = 0.862 g/ml
Portage Learning / CHEM 103 / Module 1 to 6 Exam
answers Latest UPDATE 2021/2022 GRADED A+
Portage Learning / CHEM 103 / Module 1 to 6 Exam
answers Latest UPDATE 2021/2022 GRADED A+
Portage Learning / CHEM 103 / Module 1 to 6 Exam
answers Latest UPDATE 2021/2022 GRADED A+
Question 5
Click this link to access the Periodic Table. This may be helpful throughout
the exam.
1. 3.0600 contains ? significant figures.
2. 0.0151 contains ? significant figures.
Portage Learning / CHEM 103 / Module 1 to 6 Exam
answers Latest UPDATE 2021/2022 GRADED A+
Portage Learning / CHEM 103 / Module 1 to 6 Exam
answers Latest UPDATE 2021/2022 GRADED A+
Portage Learning / CHEM 103 / Module 1 to 6 Exam
answers Latest UPDATE 2021/2022 GRADED A+
3. 3.0600 ÷ 0.0151 = ? (give answer to correct number of significant
figures)
1. 3.0600 contains 5 significant figures.
2. 0.0151 contains 3 significant figures.
3. 3.0600 ÷ 0.0151 = 202.649 = 203 (to 3 significant figures for 0.0151)
Question 6
Click this link to access the Periodic Table. This may be helpful throughout
the exam.
Classify each of the following as an element, compound, solution or
heterogeneous mixture and explain your answe [Show Less]