Consider the Following Reaction for the Combustion of Ethane (C

question 30

Multiple Choice

Consider the following reaction for the combustion of ethane (C ₂ H ₆ ) : ​
C₂H₆( g ) + O₂( g ) → CO₂( g ) + H₂O( l ) .
​
If Δ G ° (in kJ\moles) for C ₂ H ₆ ( g ) is − 32.9, for O ₂ ( g ) is 0, for CO ₂ ( g ) is − 394.4, and for H ₂ O( l ) is − 237.2; calculate Δ G ° for the reaction.

• A)− 2146.2 kJ
• B)− 2935.0 kJ
• C)+2146.2 kJ
• D)− 598.7 kJ

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Definitions:

Near Point

The closest distance at which an object can be seen distinctly by the eye without blurring.

Oval Window

A membrane-covered opening that leads from the middle ear to the vestibule of the inner ear, where sound waves are transmitted to the cochlea.

Ossicles

The three small bones in the middle ear called the malleus, incus, and stapes, which are essential for the transmission of sound.

Eardrum

A slim barrier dividing the external ear from the middle ear, which oscillates upon receiving sound vibrations.