Use the Following Information to Determine the Standard Enthalpy of Formation

question 76

Multiple Choice

Use the following information to determine the standard enthalpy of formation of NH₃(g) . N-H bond enthalpy = 390 kJ.mol^-1
$\Delta$ H_f ^$\circ$ (H(g) ) = 217.9 kJ.mol^-1
$\Delta$ H_f ^$\circ$ (N(g) ) = 472.6 kJ.mol^-1

• A)(-44 kJ.mol^-1 )
• B)(-691 kJ.mol^-1 )
• C)(-516 kJ.mol^-1 )
• D)(-83 kJ.mol^-1 )
• E)(-1170 kJ.mol^-1 )

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Definitions:

Scopolamine

A medication used to treat motion sickness and postoperative nausea and vomiting.

Anticholinergic

Describes substances or drugs that block the action of acetylcholine in the nervous system, possibly affecting various bodily functions.

Direct IV

The administration of medication or fluids directly into a vein through a syringe or infusion set.

Sterile Water

Water that has been purified and sterilized, making it free from microorganisms and suitable for medical procedures or injections.