Wednesday, April 16, 2008

Triple Point

Why is it important to understand the triple point for a substance? Also why is water used to set the normal for the triple point and the different phase changes?

19 comments:

tyler haaland said...

A triple point is the point on the phase diagram that represents the temperature and pressure at which three phases of a substance can coexist. You have to know the triple points of the contents to know freezing and melting and all those points. The points indicaste critical pressure and temp. and such.

Rylee said...

A triple point is important because it is a big part of the phase diagram. It represents the temperature and pressure when three phases of a substance can exist together. It helps you to know the freezing point and melting point on the phase diagram as well.

junger said...

It is the point on a phase diagram that represents the temp and pressure where all three phases con coexist. Water is so easy to use and can be used easily to find melting point and boiling points.

tara said...

A triple point explains were the temperature and pressure meets at three different phases. Water is able to help you understand the freezing and melting points. The points indicate the critical pressure and temperature.

streckfuss said...

A triple point is imporant for many differnt reasons. You have ot know these so you know the melting and freezing points for substances. There is also a point that shows critical pressure.

Taylor S. Armstrong said...

A triple point is the point on the phase diagram. This represents the temp. and pressure at which three phases of a substance con coexist. To know the freezing and melting points of different contents you have to know the triple point. The point indicates critical pressure and tempurature.

Turbo_18 said...

The Triple Point is a part of the Phase Diagram. The two phases of water can coexist. You ca also find out the freezing and melting point in the phase diagrams.

karlen said...

Water is used to set the normal because that is something that everyone konws. The triple point you need to know because its is really important. This is the point where the three phases of that substance coexist

Richard said...

It is important to understand that triple point for a substance is because it represents the point where all three phases meet. Water is used because it a very sympol compound and it has a low boiling point and high freezing point. without the triple point it would be hard to demonstrate the phase changes in a diagram.

BiG Goehring said...

Triple point figures out your vapor, melting, and solid points. Water is used because it the basic substance to measure all these. We use water for pretty much everything.

bertsch said...

A triple point is the point in the phase where the pressures can coexist. YOu must know the triple point to know the melting and freezing point.

Reeber said...

It is important because its a big part of the phase diagram. You have to know the triple point sontents in order to know the freezing and melting points. The points indicate critical pressures and temperatures.

kelseyr. said...

The triple point in very important in the phase diagram. It is the point that represents the temperature and pressure at which three phases of a substance can coexist. Water is a nuetral substance that is used because you can measure the temperature and pressure.

mike goetz said...

A triple point is the point on the phase diagram that represents the temperature and pressure at which three phases of a substance can coexist. You have to know the triple points of the contents to know freezing and melting and all those points. The points indicaste critical pressure and temp. and such.

amanda said...

A triple point is the point on the diagram that represents the temp and presure where the 3 phases of a substance coexist. It is a very important point on the phase diagram. It helps get the melting and freezing points.

Anonymous said...

A triple point is on the phase diagram. It shows when temperature and pressure make it so three phases of a substance can all happen at the same time. You need to know the point so you know when different things will happen at different critical points in different pressures and temps.

jacob ochsner said...

Triple points are on the phase diagram. It shows when temperature and pressure make it so three phases of a substance can all happen at the same time. You need to know the point so you know when different things will happen at different critical points in different pressures and temps.

Kelsey M. said...

The triple point is on the phase diiagram. It shows the temperature and pressure when the 3 phases exist together. It's important because it shows the critical temperature and pressure points.

aaron peterson said...

The triple point is important because it was when the substance exists in the three states of matter. This is important because the pressure and temperature could cause the substace to not remain in a constant state. This is important for packaging and storage of goods so they remain a constant state of matter.