The absolute temperature of an ideal gas is directly proportional to which of the following properties, when taken as an average, of the molecules of that gas?
a. speed
b. momentum
c. mass
d. kinetic energy
d
You might also like to view...
Carnot Engine: One of the most efficient engines built so far has the following characteristics: The combustion chamber temperature is 1900°C, the exhaust temperature = 430°C, 7.0 × 109 cal of fuel produces 1.4 × 1010 J of work in one hour. (1 cal = 4.186 J)(a) What is the actual efficiency of this engine?(b) What is the power output of this engine?(c) What would be the maximum possible efficiency for an engine using the same temperature extremes?
What will be an ideal response?
A star in the instability strip of the H-R diagram would:
A) vary in both temperature and radius. B) explode as a type I supernova. C) vary in temperature and brightness, but not in radius. D) vary in brightness with an irregular pattern. E) vary in temperature and radius, but not in brightness.
Two light bulbs are connected to a battery, one at a time. The bulb that draws more current has the
A) lower resistance, and is brightest. B) lower resistance, but is dimmer. C) higher resistance, and is brightest. D) higher resistance, but is dimmer. E) none of the above
Two motors in a factory are running at slightly different rates. One runs at 825 rpm and the other at 786 rpm. You hear the sound intensity increase and then decrease periodically due to wave interference
How much time elapses between successive maxima of the sound intensity? A) 1.5 s B) 1.4 s C) 1.7 s D) 1.8 s