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Why waters boils at lower temperature on the top mountain when at sea level in boils at 100 degrees?
Water boils at lower temperatures at higher altitudes because the atmospheric pressure is lower at higher altitudes. This lower pressure decreases the boiling point of water. At sea level, the atmospheric pressure is greater, causing water to boil at 100 degrees Celsius.
Why is atmospheric pressure greater at sea level than at the top of a mountain 5000 m above sea level?
Atmospheric pressure decreases with increasing altitude because the weight of the air above decreases as you move higher up in the atmosphere. At sea level, there is more air above you pressing down, resulting in a higher atmospheric pressure compared to the top of a mountain 5000m above sea level where there is less air above pressing down.
If you boil water at the top of a mountain would you expect it to boil at 100 degree Celsius explain?
Yes. In general, higher altitudes mean lower atmospheric pressure. Lower atmospheric pressure means lower boiling points.
When the water level is higher inside than outside the flask is the gas pressure in the flask higher than lower than or the same as the atmospheric pressure?
When the water level is higher inside than outside the flask, the gas pressure in the flask is lower than the atmospheric pressure. This is because the weight of the column of water inside the flask creates an additional pressure on the gas inside, reducing its pressure relative to the atmospheric pressure outside.
Why does a barometer have a higher reading at sea level then at the top of the mountain?
A barometer measures atmospheric pressure, which decreases with increasing altitude. At sea level, the weight of the air above exerts more pressure on the barometer compared to the top of a mountain, where there is less air above. This difference in pressure causes the barometer to have a higher reading at sea level than at the top of a mountain.
