How can the description of the atom given by the Schrödinger equations be visualized?
a. As a sphere with electrons distributed through a solid positively charged core, like a plum pudding.
b. As a miniature solar system.
c. As a nucleus surrounded by an electron cloud.
d. As a positively charged nucleus connected to a negatively charged electron shell by a spring.
e. An empty box with just one atomic particle in it.
c
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A gas is confined to a cylindrical container of radius 1 cm and length 1 m. The pressure exerted on an end face, compared with the pressure exerted on the long curved face, is:
A. smaller because its area is smaller B. smaller because most molecules cannot traverse the length of the cylinder without undergoing collisions C. larger because the face is flat D. larger because the molecules have a greater distance in which to accelerate before they strike the face E. none of these
Earth's atmosphere is 78% ______________
Fill in the blank(s) with correct word
The Jovian planets have low density because:
A) they formed in the outer solar nebula where water vapor could freeze to form ice particles. B) interactions between their magnetic fields and the solar wind generate powerful electric currents. C) the continuous blast of micrometeorites evaporates surface ice, leaving behind embedded minerals. D) the heat flowing out of them emits about twice as much less energy as they absorb from the Sun.
Faraday's Law: A closed flat loop conductor with radius 2.0 m is located in a changing uniform magnetic field. If the emf induced in the loop is 2.0 V, what is the rate at which the magnetic field strength is changing if the magnetic field is oriented perpendicular to the plane in which the loop lies?
A. 0.16 T/s B. 1.0 T/s C. 0.080 T/s D. 2.0 T/s