Research Topic 3.docx - Research Topic 3 How energy is...

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Research Topic 3 – How energy is transformed in an air conditioner – Nigel Chui Air conditioners are used all over the world to heat buildings. Air conditions work by using chemicals such as Freon that can easily convert from a liquid to gas and vice versa. These chemicals are known as the refrigerant, and have low heat capacity. Since the purpose of an air conditioner is to absorb heat from inside you home and release it outside, the refrigerant must absorb as much heat as possible before being cooled down outside. Air conditioners work by using the capacity of heat absorbed and released by the refrigerant as it changes states. Air from the room that is to be cooled is blown over the
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