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20-02-2024
Chemistry

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( BaCl₂ ⋅ H₂O ) loses water when heated. This dehydration reaction has ( Δ Hᵒ = 63.11 , kJ/mol ) and ( Δ Sᵒ = 148 , J/° C ). What is the standard Gibbs free energy change (( Δ Gᵒ )) at ( 25° C )? Give your answer in kJ/mol.
a) 63.11 kJ/mol
b) -63.11 kJ/mol
c) -59.44 kJ/mol
d) 59.44 kJ/mol

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