Chapter 24 Review Question Preview (ID: 5657)
Review Of Thermodynamics.
TEACHERS: click here for quick copy question ID numbers.
A volume of air has a temperature of 0 degrees Celsius. An equal volume of air that is twice as hot has a temperature of about
a) 0 degrees C.
b) None of the choices
c) 273 degrees C.
d) 2 degrees C.
The greater the difference in temperature between the input reservoir and output reservoir for a heat engine, the
a) less the efficiency.
b) depends on other factors
c) neither...efficiency doesn\'t change
d) greater the efficiency
When a volume of air is compressed and no heat enters or leaves, the air temperature will
a) increase.
b) remain unchanged.
c) decrease.
d) decreases first then increases
Two identical blocks of iron, one at 10 C and the other at 20 C, are put in contact. Suppose the cooler block cools to 5 C and the warmer block warms to 25 C. Which law would this violate?
a) first law of thermodynamics.
b) second law of thermodynamics.
c) all choices
d) none of the choices
Entropy measures
a) temperature as volume increases.
b) temperature as pressure increases.
c) messiness.
d) temperature at constant pressure.
The ideal efficiency for a heat engine operating between temperatures of 2050 K and 310 K is
a) 15%
b) 85%
c) 50%
d) None of the choices
You have a jar full of marbles. When you tip the jar over, all of the marbles roll away. You wouldn't expect the marbles to spontaneously order themselves back into the jar because
a) processes in which mechanical energy is turned into heat energy are probable and commonly observed.
b) processes in which heat energy is turned into mechanical energy are probable and commonly observed.
c) processes in which orderly states tend toward disorderly states are improbable and simply not observ
d) processes in which disorderly states tend toward orderly states are improbable and simply not observ
Entropy is closely related to the
a) second law of thermodynamics.
b) first law of thermodynamics.
c) third law of thermodynamics
d) none of the choices
Convert 300 K to Celsius
a) 573 Celsius
b) 273 Celsius
c) 63 Celsius
d) 27 Celsius
Convert 32 degrees F to Kelvin.
a) -173 K
b) 0 K
c) 373 K
d) 273 K
Play Games with the Questions above at ReviewGameZone.com
To play games using the questions from above, visit ReviewGameZone.com and enter game ID number: 5657 in the upper right hand corner or click here.
To play games using the questions from above, visit ReviewGameZone.com and enter game ID number: 5657 in the upper right hand corner or click here.
TEACHERS / EDUCATORS
Log In | Sign Up / Register
Log In | Sign Up / Register