The root mean square speed of a gas molecule is greater than the average speed, because the former gives a greater weight to
a. lighter molecules.
b. heavier molecules.
c. lower speeds.
d. higher speeds.
e. more probable speeds.
d
You might also like to view...
Determine the excess temperature at one-half of the maximum heat flux for the fluid- surface combinations in Problem 9.3.
GIVEN
? Nucleate pool boiling on a clean surface
FIND
The excess temperature (?Tx) at one half of the maximum heat flux for (a) water at 10 kPa on brass (b) water at 1 MPa on brass
PROPERTIES AND CONSTANTS
From Appendix 2, Table 13, for water Table 9.2 for surface tension
From Table 9.1, the coefficient, Csf, for water on brass = 0.0060
At closest approach Venus is about how far from Earth?
A) 0.7 AU B) 0.5 AU C) 0.4 AU D) 0.3 AU E) 0.1 AU
Light is emitted by hydrogen atoms in the visible range for a hydrogen atom. Its wavelength is 656 nm. What value of n is associated with the light? (RH = 1.097 × 10^7 m-1)
a. 5 b. 2 c. 4 d. 3 e. 6
The reference point for longitude is
What will be an ideal response?