Chapter 2: Q.2.103 (page 57)
During a workout at the gym, you set the treadmill at a pace of 55.0 m/min. How many minutes will you walk if you cover a distance of 7500ft?
Short Answer
minutes
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Chapter 2: Q.2.103 (page 57)
During a workout at the gym, you set the treadmill at a pace of 55.0 m/min. How many minutes will you walk if you cover a distance of 7500ft?
minutes
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Write the equality and two conversion factors, and identify the numbers as exact or give the number of significant figures for each of the following:
a. A bee flies at an average speed of per second.
b. The Daily Value (DV) for potassium is .
c. An automobile traveled on of gasoline.
d. Silicon makes up by mass of Earth's crust.
Using conversion factors, solve each of the following clinical problems:
a. A nurse practitioner prepares an injection of promethazine, an antihistamine used to treat allergic rhinitis. If the stock bottle is labeled and the order is a dose of data-custom-editor="chemistry" , how many milliliters will the nurse draw up in the syringe?
b. You are to give ampicillin data-custom-editor="chemistry" to a child with a mass of data-custom-editor="chemistry" . If stock on hand is data-custom-editor="chemistry" , how many capsules should be given?
Identify the numbers in each of the following statements as measured or exact:
(a) There are students in the laboratory.
(b) The oldest known flower lived ago.
(c) The largest gem ever found . an aquamarine , has a mass of .
(d) A laboratory test shows a blood cholesterol level of .
Write the equality and two conversion factors for each of the following pairs of units:
a. centimeters and meters
b. nanograms and grams
c. liters and kiloliters
d. seconds and milliseconds
A -g silver object and a -g gold object are both added to of water contained in a graduated cylinder. What is the new water level, in milliliters, in the cylinder (see Table 2.8) ? (2.7)
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