Which of the following will not have the same number atoms as the ...

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Which of the following will not have the same number atoms as the other three choices?
 
  A) K2Cr2O7
  B) (NH4)2S
  C) Al(ClO2)3
  D) Ba(HCO3)2

Question 2

Increasing the concentration of hydrogen gas will ________.
 
  O2 (g) + 2H2 (g) = 2H2O (g)
  A) shift the reaction to the right
  B) shift the reaction to the left
  C) have no effect
  D) cannot be determined, since the temperature is unknown

Question 3

When 4 liters of nitrogen gas react with 6 liters of hydrogen gas at constant temperature and pressure, how many liters of ammonia gas will be produced?
 
  A) 4
  B) 6
  C) 8
  D) 10

[prumorgan]

Answer to Question 1

C

Answer to Question 2

A

Answer to Question 3

A

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Wow, this really help

[daiying98]

Thanks for the timely response, appreciate it