Heavy-water molecules have a mass number of
A) 18.
B) 3.
C) 12.
D) 10.
E) 20.
E
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What is the gauge pressure if the absolute pressure is 300 kPa?
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An object is placed 0.300 cm from the objective. The image of this object is viewed with the eyepiece adjusted for minimum eyestrain (image at the far point of the eye) for a person with normal vision. What is the distance between the objective and the eyepiece? A) 11.2 cm B) 11.5 cm C) 9.85 cm D) 10.4 cm E) 10.1 cm