At Constant Pressure and 25 ^$\circ$ C,what Is $\Delta$ _rH ^$\circ$ for the Following Reaction

2C₂H₆(g)+ 7O₂(g)

question 4

Multiple Choice

At constant pressure and 25 ^$\circ$ C,what is $\Delta$ _rH ^$\circ$ for the following reaction

2C₂H₆(g) + 7O₂(g) $\to$ 4CO₂(g) + H₂O( $\ell$ )
If the complete consumption of 16.1 g of C₂H₆ liberates -835.3 kJ of heat energy?

• A) -3120 kJ/mol-rxn
• B) -1560 kJ/mol-rxn
• C) -895 kJ/mol-rxn
• D) -447 kJ/mol-rxn
• E) -787 kJ/mol-rxn

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