A 200-Kg Block of Ice at 0

question 12

Multiple Choice

A 2.00-kg block of ice at 0.00°C is dropped into a very large lake at 25.0°C and completely melts.For water,the heat of fusion is 3.35 × 10⁵ J/kg,the heat of vaporization is 2.25 × 10⁵ J/kg,and the specific heat is 4190 J/kg ∙ K.The net change in entropy of the system consisting of the ice and the lake due to this melting process is closest to

• A)2.45 × 10³ J/K.
• B)2.24 × 10³ J/K.
• C)2.06 × 10² J/K.
• D)-2.45 × 10³ J/K.
• E)-2.06 × 10² J/K.

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Definitions:

High-sugar foods

Foods that contain a significant amount of sugar, often contributing to unwanted calories and potential health issues like obesity.

High-fiber foods

Foods that are rich in dietary fiber, which aids in digestion and is associated with numerous health benefits.

High-iron foods

foods that are rich in iron, essential for the production of hemoglobin and preventing anemia; these include red meat, beans, and fortified cereals.

Fat and cholesterol

Substances found within the body and foods that are essential for health but can lead to heart disease when consumed in excess.