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Author Question: The mole fraction of krypton in dry air near sea level is 0.00000114 where the molar mass of krypton ... (Read 135 times)

appyboo

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on: Aug 27, 2018
The mole fraction of krypton in dry air near sea level is 0.00000114 where the molar mass of krypton is 83.80. The concentration of krypton in the atmosphere is ________ ppm.
 
  A) 8.77  1011
  B) 1.14  10-4
  C) 1140
  D) 1.14
  E) 1.14  10-12

Question 2

If sufficient oxygen is available to muscles during energy conversion, the by-products of energy production are water and
 
  A) pyruvic acid.
  B) lactic acid.
  C) carbon dioxide.
  D) ATP.


joanwhite

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

D

Answer to Question 2

C


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appyboo

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Reply #2 on: Aug 27, 2018
TY


joanwhite

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Reply #3 on: Aug 27, 2018
You're welcome


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