1
answer
0
watching
390
views
11 Nov 2019
oOT-Mobile LTE 11:24 PM 11% DO session.masteringchemistry.com ± Using Conversion Factors Chemistry is an experimental science in which a consistent system of measurements is used. Scientists throughout the world use the International System of Units (Système International or SI), which is based on the metric system. However, the metric system in not used on an everyday basis in the United States. It is often necessary to convert between the English system, which is used in the United States, and the SI system. One problem with the SI system is the size of the units sometimes turns out to be inconveniently large or small. Therefore it is often necessary to make conversions within the SI system. For this reason, SI units ane modified through the use of prefixes when they refer to either larger or smaller quantities. Part A In Europe, gasoline efficiency is measured in km/L. If your cars gas mileage is 21.0 mi/gal, how many liters of gasoline would you need to buy to complete a 142-km trip in Europe? Use the following conversions: 1 km 0.6214 mi and 1 gal 3.78 L. Express your answer numerically in liters. Hint Submit My Answers Give Up Part B While in Europe, if you drive 123 km per day, how much money would you spend on gas in one week if gas costs 1.10 euros per liter and your cars gas mileage is 22.0 mi/gal ? Assume that 1 euro 1.26 dollars. Express your answer numerically in dollars. Hints Submit My Answers Give Up Part C A sprinter set a high school record in track and field, running 200.0 m in 21.5 s. What is the average speed of the sprinter in kilometers per hour? Express your answer numerically in kilometers per hour. Hints
oOT-Mobile LTE 11:24 PM 11% DO session.masteringchemistry.com ± Using Conversion Factors Chemistry is an experimental science in which a consistent system of measurements is used. Scientists throughout the world use the International System of Units (Système International or SI), which is based on the metric system. However, the metric system in not used on an everyday basis in the United States. It is often necessary to convert between the English system, which is used in the United States, and the SI system. One problem with the SI system is the size of the units sometimes turns out to be inconveniently large or small. Therefore it is often necessary to make conversions within the SI system. For this reason, SI units ane modified through the use of prefixes when they refer to either larger or smaller quantities. Part A In Europe, gasoline efficiency is measured in km/L. If your cars gas mileage is 21.0 mi/gal, how many liters of gasoline would you need to buy to complete a 142-km trip in Europe? Use the following conversions: 1 km 0.6214 mi and 1 gal 3.78 L. Express your answer numerically in liters. Hint Submit My Answers Give Up Part B While in Europe, if you drive 123 km per day, how much money would you spend on gas in one week if gas costs 1.10 euros per liter and your cars gas mileage is 22.0 mi/gal ? Assume that 1 euro 1.26 dollars. Express your answer numerically in dollars. Hints Submit My Answers Give Up Part C A sprinter set a high school record in track and field, running 200.0 m in 21.5 s. What is the average speed of the sprinter in kilometers per hour? Express your answer numerically in kilometers per hour. Hints
1
answer
0
watching
390
views
For unlimited access to Homework Help, a Homework+ subscription is required.
Patrina SchowalterLv2
1 Apr 2019
Related textbook solutions
Basic Chemistry
5 Edition,
Timberlake
ISBN: 9780134138046
Principles of Chemistry Molecular Approach
4th Edition,
Tro
ISBN: 9780134112831
Principles of Chemistry Molecular Approach
3rd Edition, 2014
Tro
ISBN: 9780321971944
Chemistry: Structure and Properties
2nd Edition,
Tro
ISBN: 9780134293936
Chemistry: A Molecular Approach
3rd Edition,
Tro
ISBN: 9780321809247
Chemistry: A Molecular Approach
5th Edition,
Tro
ISBN: 9780134874371
Principles of Chemistry: A Molecular Approach
4th Edition,
Tro
ISBN: 9780134895741
Chemistry: The Central Science
14th Edition, 2017
Brown
ISBN: 9780134414232