The enthalpy change when liquid methanol, CH3OH, vaporizes at 25°C is 38.0 kJ/mol. What is the entropy change when 1.00 mol of vapor in equilibrium with liquid condenses to liquid at 25°C? The entropy of this vapor at 25°C is 255 J/(mol∙K). What is the entropy of the liquid at this temperature?

Q: silicon, Si, the heat of vaporization at its normal boiling point of 2355 °C is 297.1 kJ/mol. The…

A: The question is based on the concept of chemical thermodynamics. we have to calculate entropy of…

Q: methanol, CH3OH, vaporizes at 25°C is 35.4 kJ/mol. What is the entropy change (in J/K) when one mole…

A: Given,   □Hvap = 35.4 kJ/mol T = 25 °c = 298 K □S = □H/T   = 35.4 ×1000/298 = 118.79 J/K-mol

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A: ∆SCH3OH = 126.8 kJ/mol ∆SCH4 = 186.264 kJ/mol ∆So2 = 205 kJ/mol

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A: Entropy: "It is the measure of randomness of molecules of a closed system. It is denoted as 'S'."

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Q: entropy change

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Q: Acetic acid, CH3COOH, freezes at 16.6°C. The heat of fusion,
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