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Author Question: When the following equation is balanced, the coefficient of sulfur dioxide is ________. PbS (s) + O2 ... (Read 113 times)

@Brianna17

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When the following equation is balanced, the coefficient of sulfur dioxide is ________. PbS (s) + O2 (g)  PbO (s) + SO2 (g)
 
  A) 5
  B) 1
  C) 3
  D) 2
  E) 4

Question 2

The correct result (indicating the proper number of significant figures) of the following addition is ________. 12 1.2 0.12 + 0.012
 
  A) 13
  B) 13.3
  C) 13.33
  D) 13.332
  E) none of the above

Question 3

The reaction 2NO2  2NO + O2
 
  follows second-order kinetics. At 300 C, NO2 drops from 0.0100 M to 0.00650 M in 100.0 s. The rate constant for the reaction is ________ M-1s-1.
  A) 0.096
  B) 0.65
  C) 0.81
  D) 1.2
  E) 0.54

Question 4

Many common garden plants are poisonous.
 
  Indicate whether the statement is true or false


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@Brianna17

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  • Posts: 550
Reply 2 on: Aug 27, 2018
Wow, this really help


parker125

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

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