Absolute Zero

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# Absolute Zero - PowerPoint PPT Presentation

Math Project. Absolute Zero. By. Eric Quon. What is Absolute Zero What was the closest to Achieving Absolute zero? At what temperatures is Absolute Zero? Resources. Absolute Zero. What is Absolute Zero.

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Presentation Transcript

Math Project

### Absolute Zero

By. Eric Quon

What is Absolute Zero

What was the closest to Achieving Absolute zero?

At what temperatures is Absolute Zero?

Resources

Absolute Zero
What is Absolute Zero

The laws of thermodynamics state that absolute zero cannot be reached using only thermodynamic means.

Absolute Zero is the freezing temperature of every known element

Absolute zero is the theoretical temperature at which entropy reaches its minimum value.

Entropy is the tendency for all matter and energy in the universe to change toward a state of inert uniformity the amount of thermal energy not available to do work.

Absolute zero HISTORY

Robert Boyle was one of the first people to talk about absolute zero

Johann Heinrich Lambert did some studies on Absolute zero and he studied and made a n assumption that –270oC was Absolute zero, keeping in mind that this is in the 1779 and the technology at the time wasn’t all the best.

Pierre-Simon Laplace and Antoine Lavoisier, did a written study on heat and found that absolute zero was 1500-3000 below the freezing point of water and they assumed that Absolute zero was At least 600 below freezing point of water

John Dalton Adopted –3000oC as the natural Zero of temperature

Absolute zero HISTORY Cont.

Lord Kelvin, William Thomson,devised

a scale of absolute temperature in 1848 which

stated that the properties of and substance

was based on the fundamental laws of

thermodynamics. 0K is the freezing point of

elements and is placed at -273.15oC or -459.67°F

In 1999 at 100 PicoKelvins, 1 billionth of a Kelvin, was the

Closest man made we could get to

Not a single place in the universe is known as 0K the closest

would be the boomerang nebula at 1K which is -272.15oC or

-457.87 oF

Project Submitted to Mr. W. MaksychuckFrom E. Quon

Sites used

http://en.wikipedia.org/wiki/Absolute_zero#Negative_temperatures

http://www.universetoday.com/73225/what-is-absolute-zero/

http://www.thefreedictionary.com/entropy