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Author Question: When 2.000 moles of H2(g) reacts with 1.000 mol of O2(g) to form 2.000 mol of H2O(l) at 25C and a ... (Read 88 times)

rlane42

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on: Aug 27, 2018
When 2.000 moles of H2(g) reacts with 1.000 mol of O2(g) to form 2.000 mol of H2O(l) at 25C and a constant pressure of 1.00 atm. If 136.6 kJ of heat are released during this reaction, and PV is equal to -7.400 kJ, then
 
  A) H = +136.6 kJ and E = +144.0 kJ.
  B) H = +136.6 kJ and E = +129.2 kJ.
  C) H = -136.6 kJ and E = -129.2 kJ.
  D) H = -136.6 kJ and E = -144.0 kJ.

Question 2

Classify the following compounds as weak acids (W) or strong acids (S): hypochlorous acid perchloric acid chloric acid
 
  A) W S S
  B) S S S
  C) S W W
  D) W W W
  E) W S W


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meow1234

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

C

Answer to Question 2

A


rlane42

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Reply 2 on: Aug 27, 2018
Gracias!

robbielu01

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Reply 3 on: Yesterday
:D TYSM

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