Chapter 1: Q69E (page 9)
Many medical laboratory tests are run using 5.0 μL blood serum. What is this volume in milliliters?
Short Answer
The volume of blood serum in millimeters is 5.0x10-3mL.
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Chapter 1: Q69E (page 9)
Many medical laboratory tests are run using 5.0 μL blood serum. What is this volume in milliliters?
The volume of blood serum in millimeters is 5.0x10-3mL.
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A woman's basketball has a circumference between 28.5 and 29.0 inches and a maximum weight of 20 ounces(two significant figures). What are these specifications in units of centimeters and grams?
Classify the following sets of measurements as accurate, precise, both, or neither.
(a) Checking for consistency in the weight of chocolate chip cookies: 17.27 g, 13.05 g, 19.46 g, 16.92 g
(b) Testing the volume of a batch of 25-mL pipettes: 27.02 mL, 26.99 mL, 26.97 mL, 27.01 mL
(c) Determining the purity of gold: 99.9999%, 99.9998%, 99.9998%, 99.9999%
Give the name and symbol of the prefixes used with SI units to indicate multiplication by the following exact quantities.
a. 103
b. 10-2
c. 0.1
d. 10-3
e. 1,000,000
f. 0.000001
Remove all of the blocks from the water and add the green block to the tank of water, placing it approximately in the middle of the tank. Determine the density of the green block.
The density (d) of a substance is an intensive property that is defined as the ratio of its mass(m) to its volume (V).
\(\begin{aligned}{\rm{density = }}\frac{{{\rm{mass}}}}{{{\rm{volume}}}}\\{\rm{d = }}\frac{{\rm{m}}}{{\rm{v}}}\end{aligned}\)
Considering that mass and volume are intensive properties, explain why their ratio, density is intensive.
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