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Author Question: What is the oxidation number of chromium in Cr2O72- ion? A) +3 B) +12 C) +7 D) +6 E) ... (Read 181 times)

Jkov05

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on: Aug 27, 2018
What is the oxidation number of chromium in Cr2O72- ion?
 
  A) +3
  B) +12
  C) +7
  D) +6
  E) +14

Question 2

At 333 K, which of the pairs of gases below would have the most nearly identical rates of effusion?
 
  A) N2O and NO2
  B) CO and N2
  C) N2 and O2
  D) CO and CO2
  E) NO2 and N2O4


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chloejackso

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

D

Answer to Question 2

B


Jkov05

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Reply #2 on: Aug 27, 2018
TY


chloejackso

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Reply #3 on: Aug 27, 2018
You're welcome


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