What is the molarity of 0.5 liters of a solution with five moles of sucrose in it?
A) 10 molar
B) 0.5 molar
C) 5 molar
D) 2.5 molar
E) 1 molar
Answer: A
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If a single lens forms a virtual image of an object, then
A) the lens must be a diverging lens. B) the lens must be a converging lens. C) the lens could be either a diverging or a converging lens. D) the image must be inverted. E) the object must be between the lens and its focal point.
When the handle of a tuning fork is held solidly against a table, the time the fork keeps vibrating becomes
A) longer. B) shorter. C) remains the same
A fountain sends water to a height of 100 meters. What must be the pressurization (above atmospheric) of the water system? 1 atm= 1.01 × 10^5 N/m2
a. 1.0 atm b. 4.2 atm c. 7.2 atm d. 9.7 atm e. 8.2 atm
Determine the equivalent capacitance of the combination shown when C = 12 nF
 a. 34 nF b. 17 nF c. 51 nF d. 68 nF e. 21 nF