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Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter19: Temperature, Thermal Expansion And Gas Laws

Section: Chapter Questions

Problem 40PQ: On a hot summer day, the density of air at atmospheric pressure at 35.0C is 1.1455 kg/m3. a. What is...

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You are studying the strength of transparent aluminum tanks to bring some blue whales from past earth to future earth with Scotty.

A diaphragm pump generates negative pressure in a chamber; air is pulled out of the chamber creating an atmosphere at very low pressure. If the chamber was originally at 0.80 atm with 28.00 moles of carbon dioxide in the chamber, how many moles remain if the final pressure is 0.027atm? Assume constant temperature and volume

Expert Solution

Step 1

Given:

Initial pressure, P₁ = 0.80 atm

Initial number of CO₂, n₁=28.00 moles

Final pressure, P₂ = 0.027 atm

To find number of moles of CO₂ at final pressure assuming constant temperature and volume.

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