At the top of a mountain a thermometer reads 7^(@)C and a barometer reads 70 cm of Hg. At the bottom of the mountain they read 27^(@)C and 76 cm of Hg respectively. Compare the density of air at the top with that at the bottom.

At the top of a mountain a thermometer reads 7^(@)C and a barometer re

1.	At the top of a mountain a thermometer reads 7^(@)C and a barometer reads 70 cm of Hg. At the bottom of the mountain they read 27^(@)C and 76 cm of Hg respectively. Compare the density of air at the top with that at the bottom.
Answer» <html><body><p><<a href="https://interviewquestions.tuteehub.com/tag/p-588962" style="font-weight:bold;" target="_blank" title="Click to know more about P">P</a>></p>Solution :At the top of the <a href="https://interviewquestions.tuteehub.com/tag/mountain-565001" style="font-weight:bold;" target="_blank" title="Click to know more about MOUNTAIN">MOUNTAIN</a> , Pressure `P_(1)=70cm` of Hg , Temperature `T_(1)=7+273=280K` <br/> Density of the air `=d_(1)`, At the bottom of the mountain , Pressure `P_(2)=<a href="https://interviewquestions.tuteehub.com/tag/76-335558" style="font-weight:bold;" target="_blank" title="Click to know more about 76">76</a>` <a href="https://interviewquestions.tuteehub.com/tag/cm-919986" style="font-weight:bold;" target="_blank" title="Click to know more about CM">CM</a> of Hg <br/> Temperature `T_(2)=27+273=300K` , Density of the air = `d_(2)` <br/> From the <a href="https://interviewquestions.tuteehub.com/tag/gas-1003521" style="font-weight:bold;" target="_blank" title="Click to know more about GAS">GAS</a> equation, `P_(1)/(d_(1)T_(1))=P_(2)/(d_(2)T_(2))" or "d_(1)/d_(2)=P_(1)/T_(1) times T_(2)/P_(2)=70/280 times 300/76=0.9868`.</body></html>