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Chapt_19

# Chapt_19 - University Physics(Prof David Flory Chapt_19...

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University Physics (Prof. David Flory) Chapt_19 Monday, November 26, 2007 Page 1 Name: __________________________ Date: _____________ 1. Constant-volume gas thermometers using different gases all indicate nearly the same temperature when in contact with the same object if: A) the volumes are all extremely large B) the volumes are all the same C) the pressures are all extremely large D) the pressures are the same E) the particle concentrations are all extremely small 2. Suppose object C is in thermal equilibrium with object A and with object B. The zeroth law of thermodynamics states: A) that C will always be in thermal equilibrium with both A and B B) that C must transfer energy to both A and B C) that A is in thermal equilibrium with B D) that A cannot be in thermal equilibrium with B E) nothing about the relationship between A and B 3. To help keep buildings cool in the summer, dark colored window shades have been replaced by light colored shades. This is because light colored shades: A) are more pleasing to the eye B) absorb more sunlight C) reflect more sunlight D) transmit more sunlight E) have a lower thermal conductivity 4. Inside a room at a uniform comfortable temperature, metallic objects generally feel cooler to the touch than wooden objects do. This is because: A) a given mass of wood contains more thermal energy than the same mass of metal B) metal conducts energy better than wood C) energy tends to flow from metal to wood D) the equilibrium temperature of metal in the room is lower than that of wood E) the human body, being organic, resembles wood more closely than it resembles metal Write the letter for the correct answer on the answer sheet. Write clearly.

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University Physics (Prof. David Flory) Chapt_19 Monday, November 26, 2007 Page 2 5. Possible units for the coefficient of volume expansion are: A) mm/Cº B) mm 3 /Cº C) (Cº) 3 D) 1/(Cº) 3 E) 1/Cº 6. Room temperature is about 20 degrees on the: A) Kelvin scale B) Celsius scale C) Fahrenheit scale D) absolute scale E) C major scale 7. When two gases separated by a thermally conducting wall are in thermal equilibrium with each other: A) only their pressures must be the same B) only their volumes must be the same C) they must have the same number of particles D) they must have the same pressure and the same volume
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Chapt_19 - University Physics(Prof David Flory Chapt_19...

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