You Are Given Pure Samples of Ammonia, NH₃(g), and Nitrogen $\degree$

question 10

Multiple Choice

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?

• A) S\(\degree\)_ammonia > S\(\degree\)_{nitrogen trifluoride}
• B) S\(\degree\)_ammonia < S\(\degree\)_{nitrogen trifluoride}
• C) S\(\degree\)_ammonia \(\approx\) S\(\degree\)_{nitrogen trifluoride}
• D) Other conditions need to be specified before a reliable prediction can be made.
• E) Even if more conditions are specified, a reliable prediction cannot be made.

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