Introductory Chemistry For Today
8th Edition
ISBN: 9781285644561
Author: Seager
Publisher: Cengage
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A citrus dealer in Florida sells boxes of 100 oranges at a roadside stand. The boxes routinelyare packed with one to three extra oranges to help ensure that customers are happy with their purchases. The average weight of an orange is7.2 ounces, and the average weight of the boxes in which the oranges are packed is 3.2 pounds. Determine the total weight of five of these100-orange boxes.
An aspirin tablet has a mass of 9820.0 mg.
Report the mass of the tablet in:
• grams:
kilograms:
micrograms:
• centigrams:
مه
g
kg
x 106 με
cg
Only input numbers. Your answers must be expressed to the correct number of significant figures.
Any values less than one must have a zero in front of the decimal (e.g. 0.01 not .01).
Measure the diameter of the circle using Ruler A and Ruler B.Given that the actual diameter of the circle is 2.264 cm, classify the following statements that describe the diameter measurement of the circle according to the ruler.
Drag the appropriate items to their respective bins.
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Ruler A
Ruler B
The diameter of the circle has one
certain digit and one uncertain digit.
The diameter measurement has two
significant figures.
The diameter measurement has three
The certainty of the diameter
significant figures.
measurement is smaller.
The certainty of the diameter
measurement is greater.
The diameter of the circle has two
certain digits and one uncertain digit.
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- Next, the chemist measures the volume of the unknown liquid as 1739.cm3 and the mass of the unknown liquid as 2.58kg . Calculate the density of the liquid. Round your answer to 3 significant digits. ⋅gmL−1 Given the data above, is it possible to identify the liquid? yes no If it is possible to identify the liquid, do so. dimethyl sulfoxide acetone ethanolamine glycerol tetrahydrofuranarrow_forwardWhen reading a graduated cylinder, or any analog measuring device, you should estimate the last digit of the measurement. This estimated digit is typically one decimal place beyond the last calibration mark on the measuring device. For example, if a graduated cylinder was marked to the 0.1 mL, your reading should be reported with 2 digits after the decimal. This reflects the fact that the estimated digit is in the hundreths place. Record the volume shown in the graduated cylinder below. (Note: a liquid in a graduated cylinder will form a curved surface called the meniscus. The measurement is taken from the bottom of the meniscus.) not include units when entering your answer. mL. Do 2.arrow_forwardWhen 33.911 is added to 82.649, the result should be reported with digit(s) after the decimal point. When 10.2 is subtracted from 58.988, the result should be reported with digit(s) after the decimal point. When 33.911 is multiplied by 82.649, the answer should be reported to significant digit(s). When 58.988 is divided by 10.2, the answer should be reported to significant digit(s).arrow_forward
- One car is traveling at 60.0 miles per hour, another car is traveling at 100.0 kilometers per hour. Determine which car is traveling faster by converting both speeds to feet per second. (There are 5280 feet in a mile. Round your answers to one decimal place after the decimal).arrow_forwardAn empty sample bottle that weighs 27.32 g has a capacity of 19.58 mL. A piece of metal is placed inside. The mass of the bottle + metal is 43.64 g. With the metal left inside, the bottle is filled to capacity with water. The combined mass of the bottle, metal, and water is 61.44 g. Assuming that the density of water is 0.9976 g/cm³. Calculate the density of the metal.arrow_forwardthe question asks to convert it to Japanese yen, I did so and wasn't sure what the sig figs should come out to be, I figured it to be four sig figs because when finding the mass in grams, we multiply by 10.49 which has four sig figs and I carried it through to the end, reaching 2.1935x105 Japanese Yen. Is this correct in terms of answers AND in terms of significant figures?arrow_forward
- chemist measures the volume of the unknown liquid as 893.cm3 and the mass of the unknown liquid as 1.13kg. Calculate the density of the liquid. Round your answer to 3 significant digits. ⋅gmL−1 Given the data above, is it possible to identify the liquid? yes no If it is possible to identify the liquid, do so. carbon tetrachloride acetone dimethyl sulfoxide ethanolamine methyl acetatearrow_forwardFinally, sometimes the desired value does not directly match the units given but is derived from the calculation required. For example, a sheet of metal that has a volume of 45.5 cm3 has a width of 14.8 cm and has a length 15.9 cm. What is the thickness (that is, the height) of the metal sheet in millimeters?arrow_forwardThe correct value according to Ruler A is 2.2 cm, whereas the correct value according to Ruler B is 2.27 cm. Perform the mathematical operations indicated by the title of each bin using these two values. Round the correct answers to the appropriate number of significant figures or decimal places. Compare the rounded correct answers with the values given and drag the rounded correct answers to the bin that represents the mathematical operation performed. There are also answers that are not rounded to the correct number of significant figures or decimal places. Drag these answers to the bin named "Incorrect rounding." For example, multiply the number 2.2 by 2.27. Round the answer to the appropriate number of significant figures. Drag the correctly rounded answer to the bin labeled "2.2 x 2.27." Drag the incorrect answers from the multiplication operation to the bin named "Incorrect rounding." Drag the appropriate items to their respective bins. • View Available Hint(s) Reset Help 14.994…arrow_forward
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