Calculate the Enthalpy Change for the Reaction NO(g) + O(g)

question 83

Multiple Choice

Calculate the enthalpy change for the reaction NO(g) + O(g)  NO₂(g)
From the following data:
NO(g) + O₃(g)  NO₂(g) + O₂(g) H = -198.9 kJ
O₃(g)  1.5O₂(g) H = -142.3 kJ
O₂(g)  2O(g) H = 495.0 kJ

• A) -551.6 kJ
• B) -304.1 kJ
• C) 190.9 kJ
• D) 153.8 kJ
• E) 438.4 kJ

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Definitions:

Congestive Heart Failure

A chronic condition in which the heart doesn't pump blood as well as it should, leading to an accumulation of fluid in lungs and tissues.

Asymmetric Carbon

A carbon atom bonded to four different groups, creating a center of chirality and leading to optical isomerism in molecules.

Asymmetric Centers

An asymmetric center in a molecule is a carbon or other atom bonded to four different groups, creating chirality and enabling optical activity.

Specific Rotation

A measure of the amount a substance rotates the plane of polarized light, specific to its molecular structure and concentration.