The Normal Freezing Point of Ammonia Is -78°C $\Delta$ H $\Delta$ S, And

question 104

Multiple Choice

The normal freezing point of ammonia is -78°C. Predict the signs of $\Delta$ H, $\Delta$ S, and $\Delta$ G for ammonia when it freezes at -80°C and 1 atm: NH₃(l) $\rarr$ NH₃(s) $\Delta$ H $\Delta$ S $\Delta$ G

• A)- - 0
• B)- + -
• C)+ - +
• D)+ + 0
• E)- - -

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