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 expon...
Portage Learning / CHEM 103 / Module 1 to 6 Exam
answers Latest UPDATE 2024 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 102
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) milli (= centi (=
1/100) 1/1000) deci (= 1/10)
, Portage Learning / CHEM 103 / Module 1 to 6 Exam
answers Latest UPDATE 2024 GRADED A+
1. 24.6 grams x 1 kg / 1000 g = 0.0246 kg
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
answers Latest UPDATE 2024 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. 28oC = ? oK
2. 158oF = ? oC
3. 343oK = ? oF
1. 28oC + 273 = 301 oK o
C → oK (make larger)
+273
2. 158oF - 32 ÷ 1.8 = 70 oC o
F → oC (make smaller)
-32 ÷1.8
3. 343oK - 273 = 70 oC x 1.8 + 32 = 158 oF K → oC → oF
o
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..5 = 0.862 g/ml
, Portage Learning / CHEM 103 / Module 1 to 6 Exam
answers Latest UPDATE 2024 GRADED A+
Question 5
Click this link to access the Periodic Table. This may be helpful
throughout the exam.
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