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Chapter 8: Q. 8.46 (page 273)

A scuba diver 60ftbelow the ocean surface inhales 50.0mLof compressed air from a ccuba tank at a pressure of 3.00atmand a temperature of 8掳C. What is the final pressure of air, in atmospheres, in the lungs when the gas expands to 150.0mLat a body temperature of 37掳C, if the amount of gas does not change?

Short Answer

Expert verified

The final pressure of the gas is1.1atm.

Step by step solution

01

Given Information

We need to find the final pressure of gas.

02

Simplify

The combined gas law is:

P1脳V1T1=P2脳V2T2

Consider:

initial pressureP1=3atm

initial temperatureT1=8掳C=8+273K=281K

initial volumeV1=50mL

final temperatureT2=37掳C=37+273K=310K

final volumeV2=150mL

Now, calculating the final pressure P2is:

P2=P1脳V1T1脳V2T2P2=3atm脳50mL281K脳310K150mLP2=1.1atm

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Most popular questions from this chapter

Identify the property of a gas that is measured in each of the following:

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