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Author Question: The emergence of each of the four fundamental forces during the big bang was similar to A) the ... (Read 51 times)

D2AR0N

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on: Jul 29, 2018
The emergence of each of the four fundamental forces during the big bang was similar to
 
  A) the collision of two heavy nuclei, such as two lead nuclei.
  B) the gravitational collapse of matter when a new star forms.
  C) a nuclear reaction.
  D) a change of the state of a material substance, such as freezing.
  E) a supernova explosion.

Question 2

An ideal gas has a pressure of 2.5 atm, a volume of 1.0 L at a temperature of 30C. How many molecules are there in this gas? (R = 8.31 J/mol  K, 1.00 atm = 101 kPa, NA = 6.022  1023)
 
  A) 6.1  1023
  B) 6.0  1022
  C) 2.4  1022
  D) 2.3  1023


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enass

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

D

Answer to Question 2

B


D2AR0N

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

mohan

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Reply 3 on: Yesterday
Excellent

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