What is the change in entropy of 250 g of steam at 100 ∘c when it is condensed to water at 100 ∘c?
1 answer:
Entropy change is the randomness of the thermodynamic system. The change in the entropy when the water is condensed is 1573 J/K.
<h3>What is the entropy change?</h3>An entropy change is a product of mass and the ratio of the enthalpy of vaporization to the temperature.
Given,
Enthalpy of vapourization = 2257 J/gK
The temperature in kelvin = 373 k
The change in entropy is calculated as:
Therefore, the change in entropy is 1574 J/K.
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Answer : The final volume of gas is, 11.5 L
Explanation :
Combined gas law is the combination of Boyle's law, Charles's law and Gay-Lussac's law.
The combined gas equation is,
where,
= initial pressure of gas = 2.30 atm
= final pressure of gas = 5.40 atm
= initial volume of gas = 20.0 L
= final volume of gas = ?
= initial temperature of gas = 308 K
= final temperature of gas = 416 K
Now put all the given values in the above equation, we get:
Therefore, the final volume of gas is, 11.5 L