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Delzac
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[URGENT] Problems On Temperature
Hi all,
I was just release from Chemistry lesson and here is what happen.
My chem teacher said that " At 0 Kelvin, which is absolute zero, there is no kinetic energy in the molecules anymore."
Being Very Well Read( in physic), i know that it is not true, thus i argue with him.
In the end he used a formula K.E. = 3/2KT ( or 1/2 K T i can't remember what is the formula)
where K = bottzman's constant.
And T = Thermodynamic Temperrature ( kelvin)
It works out that when T=0, KE = 0 hence he conclude that at absolute zero KE = 0
However, although i know that KE is not zero because of Quantum mechanics effects, i am unable to prove him wrong.
I know about the extrapolation of the graph( energy against temperature), however since it is a " extrapolation" he refuse to accept it as evidence for KE not equals to Zero.
Can someone help me to show that KE is not zero when absolute zero is reached.( pls work it in such a way that even non-quantum Mechanic student can understand.)
Thx :)
Hi all,
I was just release from Chemistry lesson and here is what happen.
My chem teacher said that " At 0 Kelvin, which is absolute zero, there is no kinetic energy in the molecules anymore."
Being Very Well Read( in physic), i know that it is not true, thus i argue with him.
In the end he used a formula K.E. = 3/2KT ( or 1/2 K T i can't remember what is the formula)
where K = bottzman's constant.
And T = Thermodynamic Temperrature ( kelvin)
It works out that when T=0, KE = 0 hence he conclude that at absolute zero KE = 0
However, although i know that KE is not zero because of Quantum mechanics effects, i am unable to prove him wrong.
I know about the extrapolation of the graph( energy against temperature), however since it is a " extrapolation" he refuse to accept it as evidence for KE not equals to Zero.
Can someone help me to show that KE is not zero when absolute zero is reached.( pls work it in such a way that even non-quantum Mechanic student can understand.)
Thx :)
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