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Chemistry - Thermodynamics - I Question with Solution | TestHub

ChemistryThermodynamics - IFirst law of ThermodynamicsEasy2 minPYQ_2020

ChemistryEasysingle choice

The enthalpy of vaporization of liquid is $30 k J m o l^{- 1}$ and entropy of vapourisation is $75 J m o l^{- 1}$ K. The boiling point of the liquid at 1 atm is

Options:

Answer:

Solution:

$d s = \frac{d q_{r e v}}{T} \Rightarrow 75 = \frac{30 \times 10^{3}}{T} \Rightarrow T = 400 K$

Hence (B) is correct option.

Stream:NTA_ABHYAS_NEETSubject:ChemistryTopic:Thermodynamics - ISubtopic:First law of Thermodynamics

⏱ 2mℹ️ Source: PYQ_2020

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