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First let's talk about units of pressure so that we can understand my answer later.
The unit for pressure is the pascal (Pa), equal to one newton per square meter (N/m2 or kg/m·s2)
A simple way to think about pressure is in this case is to realize that water has weight to it. Gravity is pulling the water towards the center of the earth, and the deeper you go the more water is above you and the greater the pull. Under gravitational constraints like this the pressure of any fluid can be calculated as the gravitational constant (g) multiplied times the density (ρ) multiplied times the height (h). In the case of water the calculation is relativly stright forward because it can be considered an incompressable fluid and therefore the density remains constant.
So to answer your question, the density of water is approxamtley 1000kg/m3 the height is 100 feet or 30.48 meeters ( to keep units consistant) and the gravitational constant on earth is approximatly 9.81 m/s2 slksj.
So we have to calculate it we take ρ*g*h which for this case is (1000kg/m3)*(9.81 m/s2)*(30.48m) which gives us 299008.8 kg/m·s2 or 299.0088 kPA.
We also have to take into account the pressure from gravity pulling on the air, this is not a straight forward calculation because air does not have a constant density (ρ) and must be integrated over. Luckly we know airpressure at sea level is 1atm=14.7psi = 101.325 kPa
So 299.0088 kPa + 101.325kPa = 400.334kPa
The short answer is 400.334 kPa, or about 3.951 atm, or 58.080 psi depending on what unit system you prefer.
What else can I help you with?
What C does water boil under normal atmospheric pressure?
Water boils at 100 degrees Celsius under normal atmospheric pressure.
Water becomes steam at what degrees?
Water becomes steam at 100 degrees Celsius under normal atmospheric pressure.
Water boils at a temperature of what degrees on the Celsius scale?
The Celsius scale is in fact based on water, it freezes at 0 degrees and boils at 100 degrees Celsius at 760 mm Hg pressure.
What described water at 100 Celsius and 1 ATM pressure?
Water at 100°C and 1 atm pressure is in its liquid state, commonly referred to as boiling water. At this temperature and pressure, water reaches its boiling point and begins to vaporize into steam.
What are the fixed references points on the celsius thermometer?
0 to 100 i think
What C does water boil under normal atmospheric pressure?
Water boils at 100 degrees Celsius under normal atmospheric pressure.
Can polar bears be under the water over 100 feet?
Yes they have ben spoted that deep under water.
Can water boil at 100 degrees celsius?
Yes, it can. Under normal temperature and pressure, pure water does.
Does water boil at 100 degree C under all conditions?
No, water boils at 100 degrees Celsius at standard atmospheric pressure (1 atm or 101.3 kPa). However, at higher elevations where atmospheric pressure is lower, water can boil at temperatures below 100 degrees Celsius. Conversely, under higher pressures, such as in a pressure cooker, water can boil at temperatures above 100 degrees Celsius.
What liquid freezes at 0 C and boils at 100 C?
fresh water under atmospheric pressure
What temperature does water boils to?
Fresh water under atmospheric pressure boils at 100 C or at 212 F
Water becomes steam at what degrees?
Water becomes steam at 100 degrees Celsius under normal atmospheric pressure.
Does water boil at 100 or 120 degrees?
The answer depends primarily on the scale that you are using. On the Celsius (or Centigrade) scale, under normal atmospheric pressure, pure water boils at 100 deg.
Why does pressure build up when you go down in the ocean?
The same reason pressure builds up when you pile a thousand pounds of dirt onto someone. If you are 100 feet under water you are under many tons of water. Good thing all of that weight isn't directly exerted onto you, but spread out evenly in the ocean.
Which condition applies when water boils at 100 degrees Celsius?
When water boils at 100 degrees Celsius, it is under standard atmospheric pressure at sea level. This is the normal boiling point of water under these conditions.
How can you make water boil at a higher temp than 100 C?
By increasing the pressure on the water, you can raise its boiling point above 100°C. This can be achieved in a pressure cooker, where the increased pressure allows the water to reach a higher temperature before boiling.
The boiling point of water is 100 dregess?
Assuming that 100 dregess is your way of saying 100 degrees Celsius, it is the boiling point of pure water, under normal atmospheric pressure.
