The Reaction of One Mole of Nitrogen Gas with Three

question 70

Multiple Choice

The reaction of one mole of nitrogen gas with three moles of hydrogen gas releases 92 kJ of thermal energy to the surroundings.Which of the following is TRUE?

• A)This reaction is exothermic.
• B)This reaction has a negative enthalpy of reaction.
• C)Complete reaction of two moles of nitrogen gas would release 184 kJ of thermal energy in this reaction.
• D)All of the above are true.
• E)None of the above are true.

---

Definitions:

Cardiovascular Disease

A class of diseases that involve the heart or blood vessels, including coronary artery disease, heart failure, and hypertension.

Bone-mineral Density

A measure of the amount of minerals (mainly calcium) contained in a certain volume of bone, indicating bone strength and risk for osteoporosis.

Standard Deviations

A measure of the amount of variation or dispersion of a set of values from the mean.

Diagnostically

Pertaining to or conducive to the determination or analysis of a disease's nature and its differentiation from other conditions.