The magnitude of the total negative charge on the electrons in 1 mol of helium (atomic number 2, atomic mass 4) is:
A) 4.8 × 104 C
B) 9.6 × 104 C
C) 1.9 × 105 C
D) 3.8 × 105 C
E) 7.7 × 105 C
C) 1.9 × 105 C
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Why does Mars's northern ice cap shrink and grow less than Mars's southern ice cap?
A. Mars is closer to the Sun during southern winter. B. The southern ice cap is made of water but the northern ice cap is dry ice. C. Mars is farther from the Sun during southern winter. D. The northern ice cap is made of water but the southern ice cap is dry ice.
At what frequency does a 10. ?F capacitor have a reactance of 0.12 k??
What will be an ideal response?
The maria are really seas of long since hardened ________, a dark volcanic rock that also makes up the ocean basins of Earth
Fill in the blank(s) with correct word
Because of time dilation, if a twin goes on a trip in a high speed rocket ship, when she returns home she will be younger than her twin sister who did not go on the trip
Indicate whether the statement is true or false