CHEM 121 LAB PORTAGE LEARNING QUIZ 1 QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED 100% GUARANTEED PASS
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Course
CHEM 121
Institution
CHEM 121
CHEM 121 LAB PORTAGE LEARNING QUIZ 1 QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED 100% GUARANTEED PASS
Calculate the density of a rock that weighs 4.56 grams and has a volume of 2.88 cm³.
1.58 grams/cm³
A nail weighing 7.88 grams is placed in a graduated cylinder containing 22.35 mL ...
Calculate the density of a rock that weighs 4.56 grams and has a
volume of 2.88 cm³.
1.58 grams/cm³
A nail weighing 7.88 grams is placed in a graduated cylinder
containing 22.35 mL of distilled water. When the nail is added to the
cylinder, the water rises to the 27.63 mL line. Determine the density
of the nail.
1.49 grams/mL
What is the mass of 1000 cm³ (1.000 Liter) of gold? The density of
gold is 19.3 grams/cm³.
19300 grams
What is the volume, in cubic centimeters (cm³), of 1.00 kilogram of
gold?
51.8 cm³
A perfect cube is 2.00 cm on a side. If this cube weighs 10.0 grams,
what is its density?
, 1.25 grams/cm³
The density of air is 1.29 grams/Liter. What is the weight, in
kilograms, of a cubic meter (1.00 m³) of air?
1.29 kg
In the literature, the density of a specific mineral is listed as 3.845
grams/cm³. A student determined its density to be 3.644 grams/cm³.
Determine the student's percent error.
±5.23 % error
The average American dollar bill ($1.00) weighs about 1.00 gram.
Five students weighed the same dollar bill on the same balance.
Their results are as follows:
1.040 grams
0.989 grams
1.009 grams
1.026 grams
0.999 grams
Determine:
a) the average
b) the average deviation
c) the relative or percentage deviation
a) 1.0126 grams
b) 1.0126 grams ± 0.01632
c) 1.0126 ± 1.6117 %
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