[CHM113] 113DQ12

# [CHM113] 113DQ12 - Discussion Quiz#12 CHM 113 AA/AB Name 1...

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Discussion Quiz #12 Name_________________________ CHM 113 AA/AB 1. At room temperature, which gas has greater average speed: 1 mole O 2 gas or 1 mole Cl 2 gas? Why? (2 pts) 2. What effect does an increase in temperature have on the average speed of gas molecules? (1 pt) 3. According to Kinetic Molecular Theory, the kinetic energy of a gas sample depends on temperature as well identity of the gas. True/False (1 pt) 4. Define “ideal gas”. (1 pt) Predict which gas, He or CF 4 , exhibits behavior closer to that of an ideal gas and explain your answer. (2 pts) 5. What does “effusion” depend on? Give any appropriate formula for “effusion”. (2 pts) 6. What is the title of today’s lab? (1 pt)

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Name_______ KEY ______________ CHM 113 AA/AB Section________________________ 1. At room temperature, which gas has greater average speed: 1 mole O 2 gas or 1 mole Cl 2 gas? Why? (2 pts) Oxygen gas, as it weighs less than chlorine gas. 2. What effect does an increase in temperature have on the average speed of gas molecules? (1 pt) higher temperature – higher average speed 3. According to Kinetic Molecular Theory, the kinetic energy of a gas sample depends on temperature as well identity of the gas. True/False (1 pt) False, does not depend on identity. 4. Define “ideal gas”. (1 pt) Predict which gas, He or CF 4 , exhibits behavior closer to that of an ideal gas and explain your answer. (2 pts) A gas that has all the properties of Kinetic Molecular Theory is an ideal gas. OR any similar definition. He is close, as it is smaller with less attractive forces between particles. 5. What does “effusion” depend on? Give any appropriate formula for “effusion”. (2 pts) Effusion is inversely proportional to the square root of molecular mass Same as in formula. 6.
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[CHM113] 113DQ12 - Discussion Quiz#12 CHM 113 AA/AB Name 1...

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