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at constant temperature,the heavier the gas molecules,the larger the average kinetic energy of the molecule

2006-10-05 20:46:15 · 4 answers · asked by johanna j 1 in Science & Mathematics Chemistry

4 answers

How dumb can you be?
There are like 2 or 3 equations you have in this subject. That's it.
Look at the equation for average kinetic energy. You have constant temperature. That means the temperature does not change moron.

Now look at the equation. Do you see any mass reference there?

Now let's say they ask you about KE and your mood. Do you know how to answer now?

2006-10-06 01:50:03 · answer #1 · answered by Dr. J. 6 · 0 1

The statement is wrong.

The formula for the average kinetic energy is:

K = 3*k*T/2, where k is the Boltzmann constant and T the absolute temperature.

So, the average kinetic energy depends only from the temperature, not from the mass of the molecule. Different gases, at the same temperature have the same average kinetic energy of their molecules. But they don't have the same root mean square velocities. The heavier molecules have the less r.m.s. velocity.

2006-10-05 22:25:31 · answer #2 · answered by Dimos F 4 · 0 0

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2016-11-26 20:34:33 · answer #3 · answered by ? 4 · 0 0

your statement seems to be somewhat confused, but in saying that most of these postultes seem to be aswell.
this is probably the most clear and consise page on the web relating to it.
i havnt read it in a while but if you have a flick through im sure youll find your answer
Hope this helps

http://chemed.chem.purdue.edu/genchem/topicreview/bp/ch4/kinetic4.html

2006-10-05 22:13:05 · answer #4 · answered by Crazy Taxi 2 · 0 0

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