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How many loads of laundry can you wash if you work 3 shifts? Express your answer numerically as an integer. > View Available Hint(s) loads

How many loads of laundry can you wash if you work 3 shifts? Express your answer numerically as an integer. > View Available Hint(s) loads

Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter1: Basic Concepts Of Chemistry
Section: Chapter Questions
Problem 21RPS: You and your lab partner are asked to determine the density of an aluminum bar. The mass is known...
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For example, dimensional analysis could be used to determine the number of nickels in 3432.35 dollars. 34R5 dellar • To begin, write down the starting value, 3432.35 dollars. This can also be written as a fraction: • Next, convert dollars to cents. This conversion involves a simple conversion factor: Note that the "dollar" unit should appear on the bottom of this conversion factor, since "dollars" appears on the top of the starting value. • Finally, convert cents to nickels. This conversion also involves a simple conversion factor. This time "cents" should be on the bottom of the conversion factor, I dellar S centa since it was on top of the previous conversion factor. • Combining these expressions gives us 100 cents 1 dollar • Finally, cancel units. Since dollars are divided by dollars, and cents are divided by cents, both of these units can be canceled. Multiplying through gives the final result: 100 cents 1 dolhar 1 nickel 5 cents 3432.15 dollars 3432.35 dollars 1 nickel 68, 647 nickels • To complete the calulation, multiply everything in the numerator and divide by everything in the denominator (or top and bottom, respectively). Practice with a sample problem You wash dishes for a chemistry laboratory to make extra money for laundry. You earn 12 dollars/hour, and each shift lasts 75 minutes. Your laundry requires 12 quarters/load,
Transcribed Image Text:For example, dimensional analysis could be used to determine the number of nickels in 3432.35 dollars. 34R5 dellar • To begin, write down the starting value, 3432.35 dollars. This can also be written as a fraction: • Next, convert dollars to cents. This conversion involves a simple conversion factor: Note that the "dollar" unit should appear on the bottom of this conversion factor, since "dollars" appears on the top of the starting value. • Finally, convert cents to nickels. This conversion also involves a simple conversion factor. This time "cents" should be on the bottom of the conversion factor, I dellar S centa since it was on top of the previous conversion factor. • Combining these expressions gives us 100 cents 1 dollar • Finally, cancel units. Since dollars are divided by dollars, and cents are divided by cents, both of these units can be canceled. Multiplying through gives the final result: 100 cents 1 dolhar 1 nickel 5 cents 3432.15 dollars 3432.35 dollars 1 nickel 68, 647 nickels • To complete the calulation, multiply everything in the numerator and divide by everything in the denominator (or top and bottom, respectively). Practice with a sample problem You wash dishes for a chemistry laboratory to make extra money for laundry. You earn 12 dollars/hour, and each shift lasts 75 minutes. Your laundry requires 12 quarters/load,
• Part B How many loads of laundry can you vwash if you work 3 shifts? Express your answer numerically as an integer. • View Available Hint(s) loads Submit Prevloue Anewers
Transcribed Image Text:• Part B How many loads of laundry can you vwash if you work 3 shifts? Express your answer numerically as an integer. • View Available Hint(s) loads Submit Prevloue Anewers
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