Fundamentals of Chemical Engineering: [One Question per Day] 2010-11-30
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This post was last edited by sailan on 2010-12-1 08:31. 1. If the average speed of molecules in an ideal gas is doubled, then the temperature of that gas should be increased to ( ) times its original value. 2. At the same temperature, the most probable velocity of hydrogen molecules is several times that of oxygen molecules. Note: 1) All participants will receive a reward ； 2) Please hide your replies. Do not edit after replying. Answer: 4 ； 4
1. If the average speed of molecules in an ideal gas is doubled, the temperature of that gas must be increased to (2) times its original value. ' 2. At the same temperature, how many times is the most probable velocity of hydrogen molecules greater than that of oxygen molecules? 8
1. If the average speed of molecules in an ideal gas is doubled, the temperature of that gas must be increased to (4) times its original value. 2. At the same temperature, the most probable velocity of hydrogen molecules is several times that of oxygen molecules. 4 times
If the average speed of molecules in an ideal gas is doubled, the temperature of that gas should be increased to (2) times the original value
Reply 1# sailan: 1.2 times. 2. The same temperature means the same molecular kinetic energy; kinetic energy is 1/2MV squared. For oxygen, M is 32, and for hydrogen, M is 2, so the velocity of hydrogen is 4 times that of oxygen
1. If the average speed of molecules in an ideal gas is doubled, the temperature of that gas must be increased to (4) times its original value. 2. At the same temperature, the most probable velocity of hydrogen molecules is (8) times that of oxygen molecules.
1. If the average speed of molecules in an ideal gas is doubled, the temperature of that gas must be increased to (2) times its original value. 2. At the same temperature, the most probable velocity of hydrogen molecules is several times that of oxygen molecules. 1 time
1. Square root of 2 2. Square root of 8 I’m not sure if this is correct, but how do you write these square roots?