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### Topic: Kinetic energy of solids, liquids, and gases at the same temperature  (Read 27796 times)

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#### LHM

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##### Kinetic energy of solids, liquids, and gases at the same temperature
« on: January 17, 2011, 12:46:17 PM »
Temperature is defined as the average kinetic energy, but gases have more kinetic energy than liquids, which have more kinetic energy than solids. So if you have a solid, liquid, and gas at the same temperature, are they going to have the same kinetic energy because they're at the same temperature, or will the gas still have the most kinetic energy?

#### Borek

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##### Re: Kinetic energy of solids, liquids, and gases at the same temperature
« Reply #1 on: January 17, 2011, 02:40:14 PM »
I have a cup of a hot tea here, standing on the desk. As far as I can tell, its kinetic energy is zero.
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#### opti384

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##### Re: Kinetic energy of solids, liquids, and gases at the same temperature
« Reply #2 on: January 17, 2011, 10:44:03 PM »
I have a cup of a hot tea here, standing on the desk. As far as I can tell, its kinetic energy is zero.

But couldn't the tea molecules have kinetic energy since they are moving and vibrating by themselves?

#### Vidya

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##### Re: Kinetic energy of solids, liquids, and gases at the same temperature
« Reply #3 on: January 18, 2011, 01:56:47 AM »
Hi
molecules are in motion in all the three states
max - in gases
minimum in solids (vibrational  ,rotational )
at the same temp
K.E of the gaseous molecules is max

#### Borek

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##### Re: Kinetic energy of solids, liquids, and gases at the same temperature
« Reply #4 on: January 18, 2011, 04:24:53 AM »
Original question did not mention molecules

if you have a solid, liquid, and gas at the same temperature, are they going to have the same kinetic energy
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#### RandoFlyer

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##### Re: Kinetic energy of solids, liquids, and gases at the same temperature
« Reply #5 on: January 21, 2011, 11:09:12 AM »
http://en.wikipedia.org/wiki/Temperatures#Foundation

#### LHM

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##### Re: Kinetic energy of solids, liquids, and gases at the same temperature
« Reply #6 on: February 19, 2011, 08:53:35 PM »
Original question did not mention molecules

if you have a solid, liquid, and gas at the same temperature, are they going to have the same kinetic energy