A measurement of atmospheric pressure below camp on Everest is 400 torr. What is
ID: 484207 • Letter: A
Question
A measurement of atmospheric pressure below camp on Everest is 400 torr. What is boiling point of water at camp? Why is the boiling point different from the usual boiling point? Vapor Pressure of three liquids 800 3. Atypical of at the base 700 below Mount Everest is 400 torr. What is the boiling point of water B 600 at base camp? (4 pts) 5001 Ethanol Answer: different? 400 Compare this BP to the boiling point in RI. Why are they (6 pts) 300 Use the definition of boiling point as part of your answer. 200 100 20 40 60 80 100 120 Temperature (C)Explanation / Answer
The boiling point is the temperature at which vapour pressure of liquid equals the vapour pressure of its surrounding.
At the camp the surrounding pressure is 400 torr and in order to boil the water the vapour pressure of water must be 400 torr. In order to increase the vapour pressure of water to 400 torr we have to increase the temperature of water to nearly 82 degree celsius as it evident from the graph shown.
Boiling point differs at different heights because it depends on surrounding pressure and at ground level we pressure around 760 torr and the boiling point is 100 degree celsius.
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