In an adiabatic free expansion
a. no heat is transferred between a system and its surroundings.
b. the pressure remains constant.
c. the temperature remains constant.
d. the volume remains constant.
e. the process is reversible.
a
You might also like to view...
To create the above spectra, which of the following is NOT true?
a. A dense gas is excited and the light produced is over all wavelengths.
b. A low-density gas is excited and the light produced is over discrete wavelengths.
c. Light from a low-density gas passes through a warm, dense gas and the light that is produced is at all wavelengths except for a few discrete wavelengths.
d. All of the other choices are not true.
Why is the full Moon the brightest light in the night sky?
Because of electrostatic polarization, a sufficiently charged rubber balloon will attract a neutral horizontal insulating plate strongly enough so that the balloon sticks firmly to the plate’s bottom. If the horizontal plate is a conductor instead of an insulator, the charged balloon will
A. stick only if the plate is connected to the earth. B. stick only if the plate is insulated from the earth. C. stick in either case. D. not stick at all. E. repel the plate.
Graphical Addition: The sum of two vectors of fixed magnitudes has its minimum magnitude when the angle between these vectors is
A. 0°. B. 90°. C. 270°. D. 180°. E. 360°.