Chemistry - Thermodynamics - II Question with Solution | TestHub

ChemistryThermodynamics - IIAdiabatic Process/PolytropicMedium2 minPYQ_2020
ChemistryMediumsingle choice

Combustion of Hydrogen in a fuel cell at 300K is represented as 2 H 2 g + O 2 g 2 H 2 O g . IfΔHandΔGare 241 .80 kJ mol 1 and 228.60  kJ mol 1 respectively forH2Othen the value ofΔSfor the above process is:

Options:

Answer:
B
Solution:

ΔS= ΔHΔG T = 241.8 228.6 300
=-44 JK-1mole-1

Stream:NTA_ABHYASSubject:ChemistryTopic:Thermodynamics - IISubtopic:Adiabatic Process/Polytropic
2mℹ️ Source: PYQ_2020

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