In the reaction
what is the product nucleus?
A. 13C
B. 9C
C. 10B
D. 9B
E. 9Be
E. 9Be
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In the hypothetical atomic interaction shown in figure C9.13, assume that the atoms initially have zero radial velocity at a separation of 0.25 nm. If the atoms are jostled slightly so that the system gains a slight amount of energy, what happens to the atoms’ separation afterward?
A. It oscillates within a small region about r = 0.25 nm.
B. It oscillates between r = 0.25 nm and r = 0.05 nm.
C. It directly increases toward infinity.
D. It eventually increases toward infinity, maybe directly but maybe after one detour to smaller separations.
E. So me other behavior (specify).
A wire has a cross-sectional area of 0.10 mm2. If there are 4.0 × 1028 atoms per cubic meter in this wire, and if each atom contributes 2 free electrons,
what is the drift velocity of the electrons when the current in the wire is 6.0 A? (e = 1.60 × 10-19 C) A) 0.0047 m/s B) 0.94 m/s C) 0.019 m/s D) 0.0092 m/s
CH2 OHCHOHCH2 OH is the structural formula for the compound named ______________
Fill in the blank(s) with correct word
The Clausius form of the second law of thermodynamics states that
A. it is impossible to make heat flow from a colder to a hotter body B. heat naturally flows from a colder to a hotter body C. heat will not flow from a colder to a hotter body unless some other effect is involved