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What is the difference between gauge pressure and absolute pressure?
Absolute pressure = gauge pressure + atmospheric pressureWhen using a pressure gauge, like when measuring the pressure of the air in a tire, the gauge is actually reading the difference between the atmospheric pressure and the atmospheric pressure. So if the gauge measures 30 psi, and taking atmospheric pressure at about 14.7 psi, the absolute pressure in the tire is actually about 44.7 psi. If the tire is flat, then the gauge will read zero psi, but there is not a vacuum - there is still some air present in the tire, and the absolute pressure of this air is the same as the atmospheric pressure (about 14.7 psi).See related link: Guide to the Measurement of Pressure and Vacuum.
How can lower air pressure make liquids evaporate faster?
You can explain this in a number of different ways. A high air pressure promotes the return of evaporated molecules to return to the liquid state, so a low air pressure is more amenable to the existence of evaporated molecules in the gaseous state.
How can the pressure of a gas increase?
Primarily in two ways. If the volume is decreased, the pressure will increase. Also, if the temperature increases at a constant volume, then the pressure will increase.
How many ways are there to express the relative amounts of solute and solvent in solution?
- molarity- molality-percentage composition
What three ways can gas be measured?
By normally pressure, volume or weight.
What is the need of fixing atmospheric nitrogen find out the various ways by which atmospheric nitrogen is fixed?
Why does atmospheric nitrogen need to be converted?
What are two ways that you can express a probability?
useing a punnett square shows two ways to express probability
What are tips for lower blood pressure?
One of the best ways to lower your blood level is to reduce your sodium intake.Studies have shown that reducing the amount sodium in your diet can lower your blood pressure.
What are 2 of the ways the inuit express their culture?
the inuits express their culture by celebrating special ceremonies
How do you express the number 0.80 in two different ways?
You can express that in many different ways. For example, 0.8, 4/5, or 80% or 80 over 100
What are some ways you could get your best friend to express there feelings to you?
Some of the best ways that you could get your best friend express feelings for you is by making them your center of attraction.
What is the pressure difference between space and the surface of the earth?
The surface pressure of the earth is nominally 1013.25 hectoPascals (hP), which is also referred to as 1 ATM (1 atmosphere). The surface pressure of the earth will vary slightly according to weather conditions.
What are ways to express anger without food?
Exercise
What are the ways which art is express in the community?
Lots of festivals
What are the four ways you experience weather?
The four ways we experience weather are through observing changes in temperature, precipitation, wind speed and direction, and atmospheric pressure. These elements combine to create our daily weather conditions.
How do you express gratitude?
There are many ways to express gratitude. This includes saying thank you, writing a thank you note, or giving a gift. Gratitude is expressed in different ways in different cultures.
What are three ways to express probability?
percentage, decimal, fraction
