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Can entropy can be negative?

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Entropy can never be negative but change of entropy can be negative.
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Assistant Professor

No entropy can't be negative but change in enrtopy can be negative.
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Trainer

No, it can't be negative. but if you are finding difference between two entropy then your result can be negative.
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Expert Civil Engineer

Yes, the change in entropy can be negative. A negative change in entropy indicates that the disorder of an isolated system has decreased. For example, the reaction by which water freezes into ice, represents an isolated decrease in entropy because liquid particles are more disordered than solid parti...
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B.E.., Mechanical Engineering M.E.., Internal Combustion Engineering(Thermal Engg Division)

yes, it can be a negative or a positive. both are possible
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yes it can be negative or zero but entropy that is generated during a irreversible process is not negative its always positive.
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Science and Technology Master Upto Graduation Level

never
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Engineering Teacher & Programmer

Entropy relates with how much randomness or disorder, zero disorder or zero entropy is minimum possible value and it occurs at perfect calm and quiet situation ie at 0 degree Kelvin temperature, where there will be no vibration of atoms , molecules or matter in general. Entropy is also defined as the...
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Entropy relates with how much randomness or disorder, zero disorder or zero entropy is minimum possible value and it occurs at perfect calm and quiet situation ie at 0 degree Kelvin temperature, where there will be no vibration of atoms , molecules or matter in general. Entropy is also defined as the no of information required to predict the state of the system. small entropy means few disorders. Finding absolute value of entropy is very very difficult , just like counting the no of stars in the sky. no purpose at all. but you can count no of stars dead or reduced , or no of stars added/created . hence entropy change can be positive , negative or zero during a process. Example below may help you understand more If u reduce disorder in your room (system) by cleaning your room , you increase the disorder of surroundings by putting that waste removed from your room. read less
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B. Tech

No
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MECHANICAL ENGINEERING CLASSES

Yes entropy change can be negative for a system,but for the universe it is always positive or greater than zero.
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