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Which of the following systems has the highest entropy?. . . A cup of ice at 0 degrees C. . A cup of water at 50 degrees C. . A cup of water at 0 degrees C. . A cup of ice at −15 degrees C. . . . Which of the following systems has the lowest entropy?. . . Sugar crystals in a 95°C cup of coffee. . Sugar crystals in a 27°C cup of coffee. . Sugar crystals in a 53°C cup of coffee. . Sugar crystals in a 15°C cup of coffee.

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Hagrid
Entropy is a measure of chaos or disorder in a system. For the first one, the system with the highest entropy is a cup of water at 0 degress centigrade.  For the second question, the system with the lowest entropy is  sugar crystals in 95 degrees centigrade cup of coffee. 
Biriana14

The answer to the first question: Which of the following systems has the highest entropy?  Is actually A cup of water at 50 degree C.

Glad I could help :)