For the Nitrogen Fixation Reaction 3H₂(g)+ N₂(g)

question 15

Multiple Choice

For the nitrogen fixation reaction 3H₂(g) + N₂(g) 2NH₃(g) , K_c = 6.0 * 10^-2 at 500°C. If 0.250 M H₂ and 0.050 M NH₃ are present at equilibrium, what is the equilibrium concentration of N₂?

• A)0.750 M
• B)2.7 M
• C)0.250 M
• D)0.025 M
• E)1.85 M

---

Definitions:

Dewpoint

The temperature at which air must be cooled, at constant pressure and water vapor content, for it to reach saturation and produce dew.

Linear Regression

A statistical method used to model the relationship between a dependent variable and one or more independent variables by fitting a linear equation to observed data.

Least-square Regression

Rephrasing of KT-14; Refers to the method used to find the line that minimizes the sum of the squares of the differences between observed and predicted values.

Vector-borne Disease

Infectious diseases transmitted by vectors, such as mosquitoes, ticks, and fleas, that spread pathogens between humans or from animals to humans.