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Author Question: What is the chemical formula of rhenium(VII) oxide? A) ReO7 B) ReO4 C) Re2O7 D) ... (Read 46 times)

Destiiny22

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on: Aug 27, 2018
What is the chemical formula of rhenium(VII) oxide?
 
  A) ReO7
  B) ReO4
  C) Re2O7
  D) Re3O6

Question 2

The U.S. Mint produced pure silver quarter commemorative coins in 1992, each coin weighing 5.67 g. How many silver atoms are present in each coin?
 
  A) 6.02  1023
  B) 3.15  1022
  C) 1.14  1023
  D) 1.14  10-23


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cclemon1

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

C

Answer to Question 2

B


Destiiny22

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Reply 2 on: Aug 27, 2018
Excellent

Zebsrer

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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