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Author Question: How many molecules are in: (a) 1.0 cm3 of AIR at STP? (b) 1.0 cm3 of HELIUM at ... (Read 81 times)

corkyiscool3328

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on: Jul 29, 2018
How many molecules are in:
 
  (a) 1.0 cm3 of AIR at STP?
  (b) 1.0 cm3 of HELIUM at STP?

Question 2

The number of turns in the coil of a generator is reduced by a factor of 2 and at the same time it is rotated twice as fast keeping other factors constant. What happens to the value of the maximum induced emf?
 
  A) It is reduced by a factor of 2.
  B) It is reduced by a factor of 4.
  C) It is doubled.
  D) It stays the same.
  E) It is quadrupled.


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canderson530

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

2.7  1019 molecules/cm3 for both

Answer to Question 2

D


corkyiscool3328

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

AmberC1996

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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