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Author Question: The reduction half reaction occurring in the standard hydrogen electrode is ________. A) H2 (g, 1 ... (Read 191 times)

beccaep

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The reduction half reaction occurring in the standard hydrogen electrode is ________.
 
  A) H2 (g, 1 atm)  2H+ (aq, 1M) + 2e-
  B) 2H+ (aq) + 2OH-  H2O (l)
  C) O2 (g) + 4H+ (aq) + 4e-  2H2O (l)
  D) 2H+ (aq, 1M) + 2e-  H2 (g, 1 atm)
  E) 2H+ (aq, 1M) + Cl2 (aq)  2HCl (aq)

Question 2

The pH of a 0.55 M aqueous solution ammonia, NH3, at 25.0 C is 11.50. What is the value of Kb for NH3?
 
  A) 2.0  10-9
  B) 1.1  10-9
  C) 6.0  10-5
  D) 1.8  10-5
  E) none of the above


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atrochim

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beccaep

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Reply 2 on: Aug 27, 2018
Great answer, keep it coming :)


xiazhe

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

 

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