A Carnot Air Conditioner Operates Between an Indoor Temperature of 20°C

question 21

Multiple Choice

A Carnot air conditioner operates between an indoor temperature of 20°C and an outdoor temperature of 39°C.How much energy does it need to remove 2000 J of heat from the interior of the house?

• A) 105 J
• B) 130 J
• C) 780 J
• D) 520 J
• E) 340 J

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Definitions:

Emotion-Focused Coping

A method of dealing with stress by managing emotions rather than confronting the problem directly.

Problem-Focused Coping

Attempting to alleviate stress directly—by changing the stressor or the way we interact with that stressor.

Emotion-Focused Coping

A strategy for managing stress by working to change one’s emotional response to a stressor rather than changing the stressor itself.

Mindfulness Meditation

A practice of concentrated focus upon a sound, object, visualization, the breath, movement, or attention itself in order to increase awareness of the present moment, reduce stress, promote relaxation, and enhance personal and spiritual growth.