8000 Moles of H₂(g)react with 4

question 64

Multiple Choice

8.000 moles of H₂(g) react with 4.000 mol of O₂(g) to form 8.000 mol of H₂O(l) at 25°C and a constant pressure of 1.00 atm.If 546.4 kJ of heat are released during this reaction,and PΔV is equal to -29.60 kJ,then

• A) ΔH° = +546.4 kJ and ΔE° = +576.06 kJ.
• B) ΔH° = +546.4 kJ and ΔE° = +516.8 kJ.
• C) ΔH° = -546.4 kJ and ΔE° = -516.8 kJ.
• D) ΔH° = -546.4 kJ and ΔE° = -576.0 kJ.

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