A helium balloon takes up 4.35 liters of space. Your friend is showing off his new chemistry skills and shows you his dimensional analysis to solve for the number of moles in this balloon. He found there would be 0.91 moles in the bottle. You know, of course, that this value makes no sense. Describe how you would teach him to determine if his dimensional analysis answers "make sense" using this situation as an example.
A helium balloon takes up 4.35 liters of space. Your friend is showing off his new chemistry skills and shows you his dimensional analysis to solve for the number of moles in this balloon. He found there would be 0.91 moles in the bottle. You know, of course, that this value makes no sense. Describe how you would teach him to determine if his dimensional analysis answers "make sense" using this situation as an example.
Chapter7: Statistical Data Treatment And Evaluation
Section: Chapter Questions
Problem 7.10QAP
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Explain in WORDS how you would teach him to determine if his dimensional analysis makes sense. Solving would just be your evidence.
Note: Explain a dimensional analysis. Conversion factors must cancel out to get an answer. You must use the correct units in order for the factors to cancel out.
Transcribed Image Text:A helium balloon takes up 4.35 liters of space.
Your friend is showing off his new chemistry skills and shows you his dimensional
analysis to solve for the number of moles in this balloon.
He found there would be 0.91 moles in the bottle.
You know, of course, that this value makes no sense.
Describe how you would teach him to determine if his dimensional analysis answers
"make sense" using this situation as an example.
Transcribed Image Text:D
Drag and drop conversion factors to correctly
finish the following expressions.
Cancel units to prove the setup is correct.
Solve the expressions with your calculator
and type the numerical answer on the board.
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