Imagine that an electron had a spin of 5/2 so that its spin quantum number, ms, could have the following six values: ms = +5/2, +3/2, +1/2, –1/2, –3/2, and –5/2 . If this were true, the first element with a filled shell would be
a. He with 2 electrons.
b. Be with 4 electrons.
c. C with 6 electrons.
d. O with 8 electrons.
c
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During an adiabatic process, an ideal gas does 25 J of work. What is the change in the internal (thermal) energy of the gas during this process?
A) 0.00 J B) 50 J C) 25 J D) -25 J E) -50 J
Where is probably the best place to find life on Mars today?
A) inside craters that used to be filled with water B) in the Mariner Valley C) in the residual polar caps D) in geologically active areas like Tharsis where subsurface water may exist
Why are neutrinos so difficult to detect?
A) They have a tendency to pass through just about any material without any interactions. B) They are extremely rare. C) They have no mass. D) No one knows; this is the essence of the "solar neutrino problem."
For flow over a slightly curved isothermal surface, the temperature distribution inside the boundary layer ?t may be approximated by the polynomial
where y is the distance normal to the surface.
(a) By applying appropriate boundary conditions, evaluate the constants a, b, c, and d.
(b) Then obtain a dimensionless relation for the temperature distribution in the boundary layer.
GIVEN
Flow over a slightly curved isothermal surface
Polynomial temperature distribution:
FIND
(a) The values for a, b, c, and d
(b) A dimensionless relation for the temperature distribution in the boundary layer
SKETCH
