At Constant Pressure and 25°C,what Is ΔH° for the Following

question 23

Multiple Choice

At constant pressure and 25°C,what is ΔH° for the following reaction
2C₂H₆(g) + 7O₂(g) → 4CO₂(g) + H₂O(l)
If the complete consumption of 38.2 g of C₂H₆ liberates 1981 kJ of heat energy?

• A)3120 kJ
• B)1560 kJ
• C)5030 kJ
• D)2510 kJ
• E)784.05 kJ

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