Chemistry - Thermochemistry Question with Solution | TestHub

ChemistryThermochemistryAdiabatic Process/PolytropicMedium2 minPYQ_2020
ChemistryMediumsingle choice

Combustion of glucose takes place according to the equation
C 6 H 12 O 6  + 6  O 2  → 6  CO 2  + 6  H 2 O; ΔH = −72 kcal/mol. How much energy will be released by the combustion of 1.6 g of glucose (Molecular mass of glucose = 180 g/mol )?

Options:

Answer:
B
Solution:

Combustion of glucose takes place according to the equation
C 6 H 12 O 6  +  6O 2  →  6CO 2  +  6H 2 O; ΔH = -72 kcal
ΔH per 1.6 g =  72×1.6 180  = 0.64 kcal

Stream:NTA_ABHYASSubject:ChemistryTopic:ThermochemistrySubtopic:Adiabatic Process/Polytropic
⏱ 2mℹ️ Source: PYQ_2020

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