Calculate the Standard Enthalpy of Combustion of Ethanol at 298

question 5

Multiple Choice

Calculate the standard enthalpy of combustion of ethanol at 298 K from standard enthalpy of formation data.

• A)(-957.0 kJ.mol^-1 )
• B)(-1367 kJ.mol^-1 )
• C)(-687.5 kJ.mol^-1 )
• D)(-1922 kJ.mol^-1 )
• E)(-401.7 kJ.mol^-1 )

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Definitions:

Loop Colostomy

A surgical procedure in which a loop of the large intestine is brought through the abdominal wall to create a stoma for waste to exit the body.

Stoma

A surgically created opening on the body’s surface to allow for the elimination of waste, commonly associated with procedures like colostomies.

Mucus

A thick, slippery substance produced by mucous membranes and glands to moisturize and protect certain parts of the body.

Constipation

A common digestive condition characterized by infrequent bowel movements, difficulty passing stools, or experiencing incomplete evacuations.