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Author Question: Which substance is oxidized in the following reaction? 5C2O42- + 2MnO4- + 16H+ 10 CO2 + 2Mn2+ + ... (Read 179 times)

Diane

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on: Aug 27, 2018
Which substance is oxidized in the following reaction? 5C2O42- + 2MnO4- + 16H+  10 CO2 + 2Mn2+ + 4H2O)
 
  A) 2MnO4-
  B) C2O42-
  C) H+
  D) none

Question 2

Calculate the energy change associated with the transition from n = 4 to n = 1 in the hydrogen atom.
 
  A) +4.89  10-18 J
  B) +1.64  10-18 J
  C) -6.12  10-18 J
  D) +3.55  10-18 J
  E) -2.04  10-18 J

Question 3

An atom with 3 valence electrons will most likely
 
  A) lose three electrons.
  B) gain three electrons.
  C) gain five electrons.
  D) gain one electron.
  E) lose one electron.


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cswans24

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

B

Answer to Question 2

E

Answer to Question 3

A


Diane

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Reply 2 on: Aug 27, 2018
Gracias!

Liddy

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

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