Chemistry - Thermodynamics - II Question with Solution | TestHub

ChemistryThermodynamics - IIAdiabatic Process/PolytropicMedium2 minPYQ_2020
ChemistryMediumsingle choice

Combustion of Hydrogen in a fuel cell at 300 K 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= ΔH−ΔG 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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