determine the entropy change for freezing 633, Chemistry

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determine the entropy change for freezing 633

Determine the entropy change for freezing 6.33 grams of C₂H₅OH at 158.7 K? H =-4600 J/mol. Express your answer in units of J/K.

Determine the name of the hydrate if this hydrate on heating 5.03 g of hydrated barium chloride (BaCl₂-xH₂O) 4.23 grams is left behind.

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Chemistry: determine the entropy change for freezing 633

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Chemistry: determine the entropy change for freezing 633

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