Name: Chemistry: The Central Science
Author: Brown
ISBN: 9780134414232

Ch.1 - Introduction: Matter, Energy, and Measurement

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Brown 14th Edition

Ch.1 - Introduction: Matter, Energy, and Measurement

문제 49d

Carry out the following operations and express the answers with the appropriate number of significant numbers. (d) 0.0588/0.677

문제 50a

Carry out the following operations and express the answers with the appropriate number of significant numbers. (a) 16.234 + 8.722 × 0.6746

문제 52

You have a graduated cylinder that contains a liquid (see photograph). Write the volume of the liquid, in milliliters, using the proper number of significant figures.

문제 53a

Using your knowledge of metric units, English units, and the information on the back inside cover, write down the conversion factors needed to convert (a) in. to cm

문제 53c

Using your knowledge of metric units, English units, and the information on the back inside cover, write down the conversion factors needed to convert (c) km to ft

문제 53d

Using your knowledge of metric units, English units, and the information on the back inside cover, write down the conversion factors needed to convert (d) in.³ to cm³.

문제 54a

Using your knowledge of metric units, English units, and the information on the back inside cover, write down the conversion factors needed to convert (a) km/hr to m/s

문제 54c

Using your knowledge of metric units, English units, and the information on the back inside cover, write down the conversion factors needed to convert (c) mi to km

문제 54d

Using your knowledge of metric units, English units, and the information on the back inside cover, write down the conversion factors needed to convert (d) ft³ to L.

문제 55a

(a) A bumblebee flies with a ground speed of 15.2 m/s. Calculate its speed in km/hr.

문제 55b

(b) The lung capacity of the blue whale is 5.0×10³ L. Convert this volume into gallons.

문제 55c

문제 55d

(d) Bamboo can grow up to 60.0 cm/day. Convert this growth rate into inches per hour.

문제 56a

(a) The speed of light in a vacuum is 2.998×10⁸ m/s. Calculate its speed in miles per hour.

문제 56b

(b) The Sears Tower in Chicago is 1454 ft tall. Calculate its height in meters.

문제 56c

(c) The Vehicle Assembly Building at the Kennedy Space Center in Florida has a volume of 3,666,500 m³. Convert this volume to liters and express the result in standard exponential notation.

문제 56d

(d) An individual suffering from a high cholesterol level in her blood has 242 mg of cholesterol per 100 mL of blood. If the total blood volume of the individual is 5.2 L, how many grams of total blood cholesterol does the individual's body contain?

문제 57a

Perform the following conversions: (a) 5.00 days to s

문제 57b

Perform the following conversions: (b) 0.0550 mi to m

문제 57c

Perform the following conversions: (c) $1.89/gal to dollars per liter

문제 57d

Perform the following conversions: (d) 0.510 in./ms to km/hr

문제 57e

Perform the following conversions: (e) 22.50 gal/min to L/s

문제 57f

Perform the following conversions: (f) 0.02500 ft³ to cm³.

문제 58a

Carry out the following conversions: (a) 0.105 in. to mm

문제 58c,f

Carry out the following conversions: (c) 8.75 mm/s to km/hr (f) 8.75 lb/ft³ to g/mL.

문제 58d

Carry out the following conversions: (d) 1.955 m³ to yd³

문제 58e

Carry out the following conversions: (e) $3.99/lb to dollars per kg

문제 59a

(a) How many liters of wine can be held in a wine barrel whose capacity is 31 gal?

문제 59b

(b) The recommended adult dose of Elixophyllin®, a drug used to treat asthma, is 6 mg/kg of body mass. Calculate the dose in milligrams for a 185-lb person.