Calculate Δ S for the Reaction

question 9

Multiple Choice

Calculate Δ S for the reaction:
SO₃( g ) + CaO( s ) → CaSO₄( s )
Δ S in J/mol K for: CaO( s ) = 40, SO₃( g ) = 256.6, CaSO₄( s ) = 107

• A) +404 J/K
• B) − 190 J/K
• C) − 323 J/K
• D) +189 J/K

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