Answer to Question #229108 in General Chemistry for Mickayla Ennis

Question #229108

You are given pure samples of ammonia, NH3(g), and nitrogen trifluoride, NF3(g). What prediction would you make concerning their standard molar entropies at 298 K?

  1. ammonia nitrogen trifluoride
  2. ammonianitrogen trifluoride
  3. ammonia ≈nitrogen trifluoride
  4. More information is needed to make reasonable predictions.
1
Expert's answer
2021-08-28T06:26:59-0400

Answer:

The molar entropy of "NF_{3(g)}" is greater than "NH_{3(g)}".


Option 2 correct.

Explanation:

The standard entropy is mass dependent and standard molar entropy increases with increase in molar mass.


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