Since LF,ice = 333 J/g, what is the change in entropy (in cal/K) when 1.00 kg of ice melts?
A. 144
B. 291
C. 312
D. 516
E. 80
Answer: B
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Most stars generate their energy by the thermonuclear fusion of ____________________ to form ____________________
Fill in the blank(s) with correct word
A double-slit interference experiment is performed in the air. Later, the same apparatus is immersed in benzene (index of refraction, n = 1.50), and the experiment is repeated
When the apparatus is in benzene, you observe the interference fringes to be A) more closely spaced as when the apparatus is in air. B) equally spaced as when the apparatus is in air. C) more widely spaced as when the apparatus is in air. D) Impossible to tell without knowing the wavelength of light in use. E) Impossible to tell without knowing the separation between the slits.
The amount of energy consumed in one day in your home town could be measured in units of
A) watts. B) horsepower. C) joules. D) newtons. E) either watts or joules.
Two masses are connected by a string which passes over a pulley with negligible mass and friction. One mass hangs vertically and one mass slides on a 30.0 degrees frictionless incline. The vertically hanging mass is 6.00 kg and the mass on the incline is 4.00 kg. The acceleration of the 4.00 kg mass is
A. 1.98 
B. 3.92
C. 5.75
D. 6.86
E. 7.84