The Reaction of Nitrogen with Hydrogen to Form Ammonia Is

question 32

Multiple Choice

The reaction of nitrogen with hydrogen to form ammonia is thermodynamically favorable.
$\mathrm{N}_{2}(\mathrm{~g}) +3 \mathrm{H}_{2}(\mathrm{~g}) \rightleftharpoons 2 \mathrm{NH}_{3}(\mathrm{~g}) \quad\quad\quad\quad\quad\quad\quad \Delta H^{\circ}=-92.2 \mathrm{~kJ}$ J
The equilibrium constant for this reaction is 6.0 × 10⁵ at 298 K.At what temperature is the equilibrium constant equal to 1.0 × 10³? (R = 8.31 J/mol⋅K)

• A) 85 K
• B) 110 K
• C) 310 K
• D) 360 K
• E) 2800 K

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