When oxygen and hydrogen gases combine, the result is
A) water.
B) methane.
C) a noble gas.
Answer: A
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When cottonseed oil (a liquid) is hydrogenated, the solid fat called ______________ is obtained
Fill in the blank(s) with correct word
A car is going around a racetrack at constant speed. The curves around the track have different radii. In which turn is the magnitude of the car's acceleration the greatest?
a. It is the greatest in the turn with the greatest radius. b. It is the greatest in the turn with the smallest radius. c. The acceleration is zero everywhere because of the constant speed. d. More information is needed to determine the answer.
When two or more capacitors are connected in parallel to a battery,
A) the voltage across each capacitor is the same. B) each capacitor carries the same amount of charge. C) the equivalent capacitance of the combination is less than the capacitance of any one of the capacitors. D) all of the given answers E) none of the given answers
An electron is carried from the positive terminal to the negative terminal of a 9 V battery. How much work is required in carrying this electron?
A) 1.6 × 10-19 J B) 17 × 10-19 J C) 9 J D) 14.4 × 10-19 J E) 14.4 × 10-19 J/C