For the Nitrogen Fixation Reaction,3H₂(g)+ N₂(g) 2NH₃(g),K_c = 6

question 127

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)3.3 M
• B)2.7 M
• C)0.20 M
• D)0.083 M
• E)0.058 M

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Definitions:

External Validity

The extent to which the results of a study can be generalized to other situations, populations, or time periods beyond the study itself.

Diffusion

In experimental design, the problem of a treatment effect spreading from group to group as people communicate.

Treatment Effect

The difference in outcomes between a group receiving an intervention and a control group in an experimental study.

Factorial Designs

Experimental designs that manipulate two or more variables at a time.