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Author Question: An electron is in the ground state of an infinite well (a box) where its energy is 5.00 eV. In the ... (Read 26 times)

Zulu123

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on: Jul 29, 2018
An electron is in the ground state of an infinite well (a box) where its energy is 5.00 eV. In the next higher level, what would its energy be? (1 eV = 1.60  10-19 J)
 
  A) 1.25 eV B) 10.0 eV C) 15.0 eV D) 20.0 eV E) 2.50 eV

Question 2

A solid object has a volume density 0 at a temperature of 315 K. The coefficient of volume expansion for the material of which it is made is 7.00  10-5 K-1.
 
  What will be its density (in terms of 0 at a temperature of 425 K, assuming that it does not melt and that its thermal properties do not change with temperature?


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mjenn52

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Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

0.992 0


Zulu123

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Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review

steff9894

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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