Two Kilograms of Ice at 0

question 15

Multiple Choice

Two kilograms of ice at 0.0 °C are placed in a sealed glass container [k = 0.80 W/(m · C°) ].The container is then placed in a room that is maintained at 30.0 °C.The top cover is a thermal insulator and all other sides of the container are exposed to room air.The surface area of the container is 6.53 × 10^-² m²;and its glass walls are 0.0050 m thick.
-How much heat is required to melt the ice?

• A)16 J
• B)1080 J
• C)1.6 × 10⁵ J
• D)6.7 × 10⁵ J
• E)4.5 × 10⁶ J

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Definitions:

Repurchased

This term refers to the buying back of a company's own shares from the marketplace, which can reduce the amount of outstanding stock on the open market.

Corporation

A legal entity that is separate from its owners, providing them with limited liability protection, and has the ability to own assets, incur liabilities, and sell stock.

Repurchased

Refers to the act of a company buying back its own shares from the marketplace, which can affect the company's stock price and earnings per share.

Treasury Stock

Shares that were issued by a company and have been repurchased from the market, but not retired.