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:

M

A symbol often representing money supply in economic discussions, including various measures like M1, M2, and M3.

Q

Quantity, frequently used in economic equations and discussions to denote the amount of goods produced or consumed.

PQ

The product of price (P) and quantity (Q), often used in economics to calculate total revenue or expenditure.

P

Typically refers to "Price" in economic models, representing the monetary value assigned to a good or service in the market.