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Author Question: When 10.00 moles of H2(g) reacts with 5.000 mol of O2(g) to form 10.00 mol of H2O(l) at 25C and a ... (Read 203 times)

altibaby

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When 10.00 moles of H2(g) reacts with 5.000 mol of O2(g) to form 10.00 mol of H2O(l) at 25C and a constant pressure of 1.00 atm. If 683.0 kJ of heat are released during this reaction, and PV is equal to -37.00 kJ, then
 
  A) H = +683.0 kJ and E = +720.0 kJ.
  B) H = +683.0 kJ and E = +646.0 kJ.
  C) H = -683.0 kJ and E = -646.0 kJ.
  D) H = -683.0 kJ and E = -720.0 kJ.

Question 2

What process replenishes O2?
 
  What will be an ideal response?



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sarah_brady415

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Answer to Question 1

C

Answer to Question 2

photosynthesis




altibaby

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Reply 2 on: Aug 27, 2018
:D TYSM


tuate

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Reply 3 on: Yesterday
Excellent

 

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