If 1.00 mol of oxygen is heated at constant pressure of 1.00 atm from
to 
From the first law, calculate the change of internal energy of the gas in this process.
A. 312 J
B. 291 J
C. 365 J
D. 155 J
A. 312 J
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The plates of a parallel-plate capacitor are maintained with constant voltage by a battery as they are pulled apart. What happens to the strength of the electric field during this process?
A) It decreases. B) It increases. C) It remains constant. D) There is no way to tell from the information given.
Recent high resolution radio observations show that quasars can be classified as
a. exploding supernova stars. b. exploding planets. c. normal galaxies like our Milky Way Galaxy. d. a kind of active galaxy similar to Seyfert and radio galaxies.
The Pauli exclusion principle tells us that no two electrons in an atom can have the same quantum number(s)
A) n, ?, m?, and ms. B) n, ? and m?. C) m? and ms. D) n and ?. E) n.
The Leaning Tower of Pisa is 55 m tall and about 7.0 m in diameter. The top is 4.5 m off center. How much farther can it lean before it becomes unstable?
A) 0.5 m B) 1.5 m C) 2.5 m D) 3.5 m E) 4.5 m