Chemistry - Thermochemistry Question with Solution | TestHub

ChemistryThermochemistryAdiabatic Process/PolytropicMedium2 minPYQ_2020

ChemistryMediumsingle choice

What is the true regarding complete combustion of gaseous isobutane‐

Answer:

Solution:

$C_{4} H_{10} (g) + 6.5 O_{2} (g) \to 4 C O_{2} (g) + 5 H_{2} O_{(l)}$
$Δ n = [4 - 7.5] = - 3.5$
$Δ H = Δ E + Δ n_{g} RT$
$∴ Δ H < Δ E$

Stream:NTA_ABHYASSubject:ChemistryTopic:ThermochemistrySubtopic:Adiabatic Process/Polytropic

⏱ 2mℹ️ Source: PYQ_2020

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