A refrigerator is in a sealed and well-insulated room, with the doors open. a. I

Question

A refrigerator is in a sealed and well-insulated room, with the doors open.

a. Identify as many different types of energy as you can for this situation (we talked about 10 types). Differentiate each as stored or in transit.

b. Discuss the difference between the heat and temperature of the fridge. Use numbers to show the difference.

c. Is this a closed or open system?

d. With the doors open, the fridge actually increases the temperature of the room. Draw a control volume to show what you are analyzing and use the 1st law of thermodynamics to show how this might be possible.

e. The second diagram shows how the fridge operates. Identify the exchangers (4) and describe what each does

Explanation / Answer

A refrigerator is in a sealed and well-insulated room, with the doors open

the heat is flowing from fridge to room and temp. of the refrigerator is droping

c) the system is open

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