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When a bicycle reaches the top of a hill with a tire volume or 0.80 L the atmospheric pressure is 9.0 ATM what is the maximum volume of air that can be filled in the tire just before it burst?
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State and explain how the boiling point of water will change if the atmospheric pressure falls?
Water boils when its internal pressure reaches that of the atmospheric pressure. Therefor, if one lowers the atmospheric pressure, the water would boil at a lower temperature (in fact, one can make water boil at room temperature by dramatically lowering the atmospheric pressure).
When will liquid water change to a vapor?
When it reaches its boiling point. At ordinary atmospheric pressure, this is 100°C
What is critical pressure in nozzle?
Critical pressure in a nozzle is the pressure at which the flow of material through the nozzle reaches its maximum. Beyond which any increase in pressure will not result in an increase in flow. The point at which the velocity of a fluid in the throat of the nozzle reaches the local speed of sound, creating a sonic wave, or a sonic choke.
Why would water boil at less than 100 degrees on top of a mountain?
The boiling point of any liquid is the temperature at which its vapor pressure becomes equal to the atmospheric pressure. So if the atmospheric pressure is lower, it will take a lower temperature to make the vapor pressure equal to that of atmospheric pressure. At hill-stations, the air is generally thinner due to the altitude and the atmospheric pressure is also lower. Here, it requires less than 100oC temperature to reach the point where the vapor pressure of water reaches that of air. So, water boils below 100oC at hill stations.
Is there fluid in the pipe leading from the relief valve in a hydraulic circuit?
Yes. Because the relief valve is set to what the maximum operating pressure requirement is, it gets rid of the excess pressure by letting oil out once it reaches the pressure it is set to.
Point in planet's orbit where the planet reaches its maximum distance from the Sun?
The point in a planet's orbit where it reaches its maximum distance from the Sun is called the Aphelion.
When a population growth curve reaches its maximum level it is said to become?
It reaches its carrying capacity.
What atmospheric layer has the greatest concentration of ozone?
The ozone layer reaches its maximum concentration in Stratosphere. It does so because of the suitable conditions.
What is ideas about vapour pressure to explain how impurities increase the boiling point of water?
The boiling point is the point at which the vapor pressure of the liquid reaches atmospheric pressure. So, if you add impurities (solutes) to the pure liquid, the theory is that those molecules get in the way of the solvent molecules, and at the surface that results in a LOWER vapor pressure of the liquid. This then results in an INCREASE in the boiling point, because remember that boiling point is when vapor pressure = atmospheric pressure.
Why does the temperature of a reaction increases reaches a maximum and then decreases?
The maximum temperature is attained when the reaction is completed.
What percentage of the sun's energy that reaches the Earth is absorbed by ozone clouds and atmospheric gases?
50
Give example where the velocity of the particle is 0 and acceleration is maximum?
When a pendulum reaches its maximum elongation the velocity is zero and the acceleration is maximum
