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Author Question: During a chemical reaction, which components of the atoms are directly involved in the bonding ... (Read 140 times)

kshipps

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on: Jul 28, 2018
During a chemical reaction, which components of
  the atoms are directly involved in the bonding
  process?
  a) only the protons in the nuclei
  b) all of the electrons in the atom
  c) only the valence electrons
  d) both protons and electrons take an active part in the process
  <-- if ppt--><--endif-->

Question 2

A 5.0-kg mass with an initial velocity of 4.0 m/s, east collides with a 4.0-kg mass with an initial velocity of 3.0 m/s, west. After the collision the 5.0-kg mass has a velocity of 1.2 m/s, south. What is the magnitude of the velocity of the 4.0-kg mass after the collision?
 a. 2.0 m/s
  b. 1.5 m/s
  c. 1.0 m/s
  d. 2.5 m/s
  e. 3.0 m/s


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bfulkerson77

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Reply #1 on: Jul 28, 2018
Answer to Question 1

c

Answer to Question 2

d


kshipps

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Reply #2 on: Jul 28, 2018
Thank you!


bfulkerson77

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Reply #3 on: Jul 28, 2018
Always glad to help...


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