Which one has a larger final entropy, reversible isothermal process or reversible adiabatic process when expanding...

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Physics

Which one has a larger final entropy, reversible isothermalprocess or reversible adiabatic process when expanding to the samefinal volume for an ideal gas?
What do you assume the entropy S for a perfect crystal when T =0?
Is the S(0) still zero if the crystal is not perfect? Why?
How to calculate dS when under the constant pressure andc_p is given?
How to calculate the entropy of H₂O at 500 K?
How to calculate the entropy change for a chemical reaction ifyou can find the S for each chemical?

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3.9 Ratings (551 Votes)

question 1 first we have to understand meaning of entropy for theprocessentropy is define as the measure of a systems thermalenergy per unit temperature that is unavailable for doing usefulwork in other word we can says that entropy is measure of themolecular disorder or randomness of a system two process are givenone is reversible isothermal process andother one is reversible adiabatic processfor ideal gaswhich have same final volumereversible isothermal process for reversible isothermal process isothermal process meanstemperature of system remains constantit means T 0 for theisothermal processIsothermal processes are especially convenient for calculatingchanges in entropy See Answer

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