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marshall27 [118]
3 years ago
9

Draw the ester formed by the reaction of heptanoic acid and ethanol.

Chemistry
1 answer:
wariber [46]3 years ago
3 0

Answer:

Ethyl heptanoate (see the attached image for the structure).

Explanation:

  • The reaction of heptanoic acid and ethanol will result ethyl heptanoate ester.
  • Ethyl heptanoate is the ester resulting from the condensation of heptanoic acid and ethanol. It is used in the flavor industry because of its odor that is similar to grape.
  • Kindly, see the attached image of the structure and the reaction.

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A bomb calorimetric experiment was run to determine the enthalpy of combustion of ethanol. The reaction is The bomb had a heat c
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Answer:

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Explanation:

The heat absorbed by the bomb and water is equal to the product of the heat  capacity and the temperature change. Working with this equation, and assuming no heat is lost to  the surroundings, we write :

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<u> Now that we have the heat of combustion, we need to calculate the molar heat.  </u>

Because qsystem = qrxn + qcal and qrxn = -qcal, the heat change of the reaction is -135.58 kJ.

This is the heat released by the combustion of 4.40 g of ethanol ; therefore, we can write  the <u>conversion factor as 135.58 kJ/ 4.40 g</u>.

The molar mass of ethanol is 46.07 g, so the heat of combustion of 1 mole of ethanol is :

molar heat of combustion= -135.58 kJ/4.40 g x 46.07 g/ 1 mol= -1419.58 kJ/mol

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4 years ago
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