Kinetic energy of molecules

Started by venky, June 12, 2011, 05:34:38 AM

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venky

June 12, 2011, 05:34:38 AM Last Edit: June 12, 2011, 07:11:30 AM by Uma Sharma
Which sample of ethanol has particles with the highest average kinetic energy?
1. 10.0mL of ethanol at 25 °C
2. 10.0mL of ethanol at 55 °C
3. 100.0mL of ethanol at 35 °C
4. 100.0mL of ethanol at 45°C

uma

#1
June 12, 2011, 07:10:15 AM
Kinetic energy is directly proportional to temperature.
Hence the sample in which the temperature is the highest will have maximum kinetic energy
Therefore the correct answer will be 2.
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