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

question 35

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)(universe)> 0
• C) (\(\Delta\)S)(system)< 0
• D) (\(\Delta\)S)(surroundings)> 0
• E) none of these

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