Exam (elaborations)
CHEM 300 Final Exam With Correct Answers (2025)!!
- Course
- CHEM 300
- Institution
- University Of Virginia
CHEM 300 Final Exam With Correct Answers (2025)!!
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Q&As2025
CHEM 300 Final Exam With Correct
Answers (2025)!!
Chemistry is primarily defined as the study of... - Answer
Matter
What scientific sub-discipline is primarily concerned with the
chemistry of carbon-containing compounds? - Answer Organic
Chemistry
A theory... - Answer Draws upon a large body of research,
laws and data to explain why and how a natural phenomenon
occurs
How many significant figures are there in 0.0207010 meters? -
Answer 6
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, Q&As
2025
How many significant figures are there in 6005 kg? (X) - Answer
4
Solve the following problem and give the answer in the correct
number of significant figures. Assume all the values are
measurements (i.e. NOT exact numbers).
(7.021) x (0.5) x (3.82 x 10^-1) = ...? - Answer 1
Solve the following problem and give the answer in the correct
number of significant figures. Assume all the values are
measurements (i.e. NOT exact numbers).
3.07 - 50.2 + 48.49 = ...? - Answer 1.4
Solve the following mixed problem and give the answer in the
correct number of significant figures. Assume all the values are
measurements (i.e. NOT exact numbers).
[(3.08+4.5)⋅(10.00+5.78)]/9.00 = ...? - Answer 13
Which of the following would be considered an EXACT number?
a) The number of kgs a block of iron weighs
b) The number of seconds in a minute
c) The volume of liquid in a carton of milk
d) How many inches tall a person is
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, Q&As
2025
e) The temperature in a room - Answer b) The number of
seconds in a minute
A small statue weighs 125 stone (an old Imperial unit of mass).
How much does this statue weigh in kg? Watch your sig figs! (X)
1 stone = 14 pounds (lbs)
1 pound = 0.45359 kg - Answer 794 kg
An ingot of brass weighs 20.5 kg and occupies a volume of 0.637
gallons.
What is the density of this ingot in g/ml (grams per milliliter)?
1 gallon = 3.785 liters - Answer 8.51 g/mL
Under certain conditions, oxygen gas (O2) has a density of
0.00134 g/ml. Find the volume, in liters, occupied by 250.0 g of
O2 under the same conditions. - Answer 186-187 L
Which of the following is not an SI unit?
a) All of these are SI units!
b) Liter
c) Meter
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