Chemistry - Thermochemistry Question with Solution | TestHub

ChemistryThermochemistryBond EnthalpyMedium2 minQB

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Consider the reaction:

$2 Cl (g) ⟶ C l_{2} (g)$

The signs of $Δ H$ and $Δ S$ for the above reaction are, respectively:

Answer:

Solution:

$Δ G = Δ H - T Δ S$ .

$Δ S$ is negative because when two atoms form a molecule, the degree of randomness decreases. $Δ H$ is negative for bond formation.

Stream:JEESubject:ChemistryTopic:ThermochemistrySubtopic:Bond Enthalpy

⏱ 2mℹ️ Source: QB

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