Which of the following could be the molecular formula for an alkane?
a. C7H7
b. C6H12
c. C5H9
d. C9H16
e. C3H8
e
Physics & Space Science
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Determine the magnitude and sense (direction) of the current in the 500-? resistor when I = 30 mA
a.
56 mA left to right
b.
56 mA right to left
c.
48 mA left to right
d.
48 mA right to left
e.
26 mA left to right
Physics & Space Science
Energy in Capacitors: Doubling the potential across a given capacitor causes the energy stored in that capacitor to
A. quadruple. B. double. C. reduce to one-half. D. reduce to one-fourth.
Physics & Space Science
On a Hertzsprung-Russell diagram, where would we find stars that have the largest radii?
A) upper right B) lower right C) upper left D) lower left
Physics & Space Science
Which of the following radiations is absorbed in the greenhouse effect?
a. Ultraviolet only b. Visible only c. Infrared only d. All of these
Physics & Space Science