What "imperfections" on the Moon were visible to Galileo's telescopes?
What will be an ideal response?
Impact craters, mountains, and dark lava flows, or mare.
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Approximately how long does it take for light to travel one foot?
A. 1 ms
B.
C. 1 ns
D. 1 ps
E. 1 fs
Alkynes are hydrocarbons that characteristically have
a) one single bond between two hydrogen atoms. b) one double bond between two carbon atoms. c) one triple bond between two carbon atoms d) two double bonds between two pairs of carbon atoms.
In an isochoric process, the internal (thermal) energy of a gas decreases by 50 J. How much work is done on the gas during this process?
A) 0 J B) 50 J C) -50 J D) 25 J E) -25 J
For an electron in the M (n = 3 ) shell, find (a) the largest possible orbital angular momentum it can have, and (b) the smallest possible orbital angular momentum it can have
Express your answers in SI units, and for each case indicate the subshell (s, p, d, ...) of the electron. (h = 6.626 × 10-34 J ? s)