If a Cube of Ice at 0 °C Is Placed

question 25

Multiple Choice

If a cube of ice at 0 °C is placed outside on a warm summer day,the ice will melt spontaneously.What are the signs of Δ_rH,Δ_rS,and Δ_rG for the process?

• A) Δ_rH < 0,Δ_rS > 0,and Δ_rG < 0
• B) Δ_rH < 0,Δ_rS < 0,and Δ_rG < 0
• C) Δ_rH < 0,Δ_rS > 0,and Δ_rG > 0
• D) Δ_rH > 0,Δ_rS > 0,and Δ_rG < 0
• E) Δ_rH > 0,Δ_rS < 0,and Δ_rG > 0

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Definitions:

Net Wealth

The value of assets minus liabilities.

Consumption Spending

The total value of all goods and services consumed by households within a certain period.

Inflation Rate

The percentage change in the price level of goods and services in an economy over a period of time, often indicating the decrease in purchasing power of a currency.

Marginal Propensity

Marginal propensity measures the change in an economic agent's consumption or saving habits in response to a change in income, often used to analyze consumer behavior.