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Chapter 15: 15-10Q (page 412)

Can you warm a kitchen in winter by leaving the oven door open? Can you cool the kitchen on a hot summer day by leaving the refrigerator door open? Explain.

Short Answer

Expert verified

It is possible to warm the kitchen by leaving the oven door open, and you cannot cool the kitchen on a hot summer day by leaving the refrigerator door open.

Step by step solution

01

Understanding oven and refrigerator

The oven consists of several elements that can radiate heat energy into the oven cavity. Also, the refrigerator is a device that exhausts more heat than it eliminates from the refrigerated volume.

02

Explaining whether you can warm a kitchen in winter by leaving the oven door open

Yes, it is possible to warm the kitchen through the oven in the winter season. On opening the oven door, the heating elements radiate heat energy into the oven cavity, leading to the kitchen room's warming.

03

Explaining whether you can cool the kitchen by leaving the refrigerator door open

No, it is not possible to cool the kitchen by opening the door of the refrigerator in the summer season. The work done by the refrigerator compressor will warm the room through exhaust instead of cooling it.

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Most popular questions from this chapter


Question:The first law of thermodynamics is sometimes whimsically stated as, 鈥淵ou can鈥檛 get something for nothing,鈥� and the second law as, 鈥淵ou can鈥檛 even break even.鈥� Explain how these statements could be equivalent to the formal statements.

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