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0.2kg cup of tea at Ti=368.15K is left to cool down in a room at 293.15K. Calculate the following entropy changes a). Tea, assumed that having the same specific heat as water. B). Office, assumed temperature to remain constant inprocess. C).Universe consisting of the tea cup and office

0.2kg cup of tea at Ti=368.15K is left to cool down in a room at 293.15K. Calculate the following entropy changes a). Tea, assumed that having the same specific heat as water. B). Office, assumed temperature to remain constant inprocess. C).Universe consisting of the tea cup and office

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why  change in entropy of the Universe founded in should  be +ve

i) using Thermodynamics 2nd law as stated by Kelvin or Clausius;
ii) using Boltzmann’s entropy defination .

0.2kg cup of tea at Ti=368.15K is left to cool down in a room at 293.15K. Calculate the following entropy changes a). Tea, assumed that having the same specific heat as water. B). Office, assumed temperature to remain constant inprocess. C).Universe consisting of the tea cup and office
Transcribed Image Text:0.2kg cup of tea at Ti=368.15K is left to cool down in a room at 293.15K. Calculate the following entropy changes a). Tea, assumed that having the same specific heat as water. B). Office, assumed temperature to remain constant inprocess. C).Universe consisting of the tea cup and office
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