Question

What will be the boiling point of water at the top of a mountain where the atmospheric pressure is less than 1 atm?
a. Less than 100 degree celsius
b. Exactly 373 K
c . 100 degree celsius
d. More than 100 degree celsius

Answer 1

Answer:

a. Less than 100 degree celsius

Explanation:

Water boils at a lower temperature on top of a mountain because there is less air pressure on the molecules. The higher the pressure, the higher boiling point of water. At lower the pressure, the boiling point of water comes down. So, the lower pressure inreases the boiling resulting more evaporation.

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Answer 2

The boiling temperature of water at top of the mountain will be less than 100 Celsius

Explanation:

The air pressure is greater in sea level and less in mountain top because the air density and volume decreases with increase altitude.

As air density decreases, results in decrease air pressure.

This is the main reason that the boiling temperature of water is less than 100 celsius.

Thus, .cooking food in high altitudes are more difficult than low land where air pressure is maximum