A 100-ML Sample of Water Is Placed in a Coffee $\Delta$

question 3

Multiple Choice

A 100-mL sample of water is placed in a coffee cup calorimeter.When 1.0 g of an ionic solid is added,the temperature decreases from 21.5°C to 20.8°C as the solid dissolves.For the dissolving of the solid

• A)(\(\Delta\)H < 0)
• B)(\(\Delta\)S_univ > 0)
• C)(\(\Delta\)S_sys< 0)
• D)(\(\Delta\)S_surr > 0)
• E)none of these

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