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Homework Help: Can the total change in entropy be negative value?

  1. Nov 23, 2011 #1
    actually i have worked out the question..but i doubt about my answer..can anyone help me to verify this question please..kindly please refer to the attached files whereby i attached questions as well as my workings also...i really need help please..thanks in advance ..if possible may i have the other answers also please...

    well as final answer for the change in entropy i got it to be -6.70 J/K..(i could not attach more files because the max possible file to be attached is 3.)

    Attached Files:

  2. jcsd
  3. Nov 23, 2011 #2
    oki i manage to attach the alst one here...

    Attached Files:

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