The Decomposition of Ammonia Is 2NH₃(g)→ N₂(g)+ 3H₂(g)

question 50

Multiple Choice

The decomposition of ammonia is 2NH₃(g) → N₂(g) + 3H₂(g) . If K_p is 1.5 × 10³ bar² at 400 °C, what is the partial pressure of ammonia at equilibrium when the partial pressure of N₂(g) is 0.10 bar and that of H₂(g) is 0.15 bar?

• A)2.2 × 10^-7 bar
• B)4.7 × 10^-4 bar
• C)2.1 × 10³ bar
• D)4.4 × 10⁶ bar

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Definitions:

Standard Error

The standard deviation of the sampling distribution of a statistic, especially of the mean.

Sample Mean

The average value calculated from a sample of observations from a larger population.

Population Standard Deviation

A measure of the dispersion or spread of a set of data points in a population, representing the square root of the variance.

Sampling Distribution

The profile of probability associated with a certain statistic, influenced by a sample chosen randomly.