Respuesta :
According to the given statement:
The entropy change of this rivet is -0.245 kJ/K.
The correct option is B.
Why do you use the term entropy change?
Entropy change is a phenomenon that quantifies how disorder or randomness has changed in a thermodynamic process. It has to do with the heat or enthalpy conversion that occurs during work. More randomness indicates a high entropy in a thermodynamic system.
What alters the entropy?
A substance's entropy rises when it is divided into several components. Entropy is increased during the dissolution process because the solute become kept separate from each other when a solution is created. As temperature increases, entropy rises as well.
According to the given information :
When the TDS equation is simplified for this circumstance and integrated, the outcome is:
Temperature1 = 800 k
Temperature2 = 300 k
Mass = 0.5-kg steel
the formula of entropy change:
S2 - S1= mC
(T2 / T1) = 0.5 (0.5)
(300 / 800) = -0.245 kJ/K.
The entropy change of this rivet is -0.245 kJ/K.
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