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Author Question: In beta minus decay, the number of neutrons in the nucleus A) is decreased by 1. B) is ... (Read 29 times)

abarnes

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on: Jul 29, 2018
In beta minus decay, the number of neutrons in the nucleus
 
  A)
 
  is decreased by 1.
  B)
 
  is decreased by 2.
  C)
 
  is increased by 1.
  D)
 
  is increased by 2.
  E)
 
  remains unchanged.

Question 2

A 2.00-kg block of aluminum at 50.0 C is dropped into 5.00 kg of water at 20.0 C. What is the change in entropy during the approach to equilibrium, assuming no heat is exchanged with the environment?
 
  The specific heat of aluminum is 0.22 cal/(gK).
  A)
 
  8.08 J/K
  B)
 
  10.1 J/K
  C)
 
  3.25  10-2 J/K
  D)
 
  3.80  10-3 J/K
  E)
 
  2.41  10-3 J/K


rachel

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

A

Answer to Question 2

A


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