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Author Question: What decimal power does the abbreviation nano represent? A) 1 106 B) 1 109 C) 1 10-1 D) ... (Read 107 times)

sarasara

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on: Aug 27, 2018
What decimal power does the abbreviation nano represent?
 
  A) 1  106
  B) 1  109
  C) 1  10-1
  D) 1  10-9
  E) 1  10-12

Question 2

Under appropriate conditions, nitrogen and hydrogen undergo a combination reaction to yield ammonia: N2 (g) + 3H2 (g)  2NH3 (g) A 7.1-g sample of N2 requires ________ g of H2 for complete reaction.
 
  A) 0.51
  B) 0.76
  C) 1.2
  D) 1.5
  E) 17.2

Question 3

Which antibacterial drug interferes with the formation of cell walls in bacteria?
 
  A) sulfa drugs
  B) penicillin
  C) tetracyclines
  D) PABA


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Hdosisshsbshs

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

D

Answer to Question 2

D

Answer to Question 3

B


sarasara

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  • Posts: 521
Reply 2 on: Aug 27, 2018
Gracias!

nguyenhoanhat

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Reply 3 on: Yesterday
Excellent

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