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  • When heat is given to a substance of mass m and specific heat c its temperature raise from <img alt="27^{\circ} \mathrm{C}" src="https://entrancecorner.oncodecogs.com/gif.latex?27%5E%7B%5Ccirc%7D%2

When heat is given to a substance of mass m and specific heat c its temperature raise from 27^{\circ} \mathrm{C} to 327^{\circ} \mathrm{C} , then change in its entropy is 

 

Option: 1

2.303 log _{10}(2)  


Option: 2

2.303 log _{10} (1/2)


Option: 3

log _{10 } (3/2 )


Option: 4

2.303 log _{10} (3/2 )


Answers (1)

best_answer

As we have learned

Entropy for solid and liquid -

When heat is given to a substance to raises its temperature from T_{1}\, to \, T_{2}

- wherein

\Delta S= ms \ln \left ( \frac{T_{2}}{T_{1}} \right )

s = specific heat capacity

 

 ds = 2.303 log \left [ \frac{273+327}{273+27} \right ]= 2.303 log _{10}{2} = 0.693

 

Posted by

Pankaj

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