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Author Question: When two atoms of 2H are fused to form one atom of 4He, the total energy evolved is 3.83 10-12 J. ... (Read 54 times)

daltonest1984

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on: Aug 27, 2018
When two atoms of 2H are fused to form one atom of 4He, the total energy evolved is 3.83  10-12 J. What is the total change in mass (in kg) for this reaction? (c = 3.00  108 m/s)
 
  A) 1.28  10-17
  B) 4.26  10-26
  C) 3.45  108
  D) 1.15
  E) 4.26  10-29

Question 2

What is the name of the family of elements in Group IA/1?
 
  A) alkali metals
  B) alkaline earth metals
  C) halogens
  D) noble gases
  E) none of the above


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Andromeda18

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Reply #1 on: Aug 27, 2018
Answer to Question 1

E

Answer to Question 2

A


daltonest1984

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Reply 2 on: Aug 27, 2018
Gracias!

dreamfighter72

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

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