(1) What is the change in entropy of 250 g of steam at 100^∘ C when it is condensed to water at

step 1 All right, so on this question, we're dealing with entropy, and the first equation that comes to

(1) What is the change in entropy of 250 g of steam at 100^∘...

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Key Concepts

Entropy

Entropy is a thermodynamic property that measures the degree of disorder or randomness in a system. It quantifies the number of microscopic configurations that a system can adopt and is a key indicator of energy dispersal within the system. Changes in entropy help determine the direction of spontaneous processes in thermodynamics.

Phase Change

A phase change refers to the transformation of a substance from one state of matter to another, such as from gas to liquid. During a phase change at constant temperature, the substance undergoes a latent heat process where energy is either absorbed or released without a change in temperature, directly affecting the system’s entropy.

Latent Heat

Latent heat is the energy absorbed or released by a substance during a phase change at a constant temperature. It is crucial in calculating entropy changes during processes like condensation or vaporization because the energy exchange occurs without changing the temperature, and the associated change in entropy can be calculated by dividing the latent heat by the constant temperature at which the process occurs.

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