When 2.000 moles of H2(g) reacts with 1.000 mol of O2(g) to form ...

[rlane42]

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

[meow1234]

Answer to Question 1

C

Answer to Question 2

A

[rlane42]

Excellent

[patma1981]

TYSM