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How many joules are given off when 120 gram of water are cooled from 25 Celsius to -25 Celsius?

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How many joules are given off when 120 gram of water are cooled from 25 Celsius to -25 Celsius? 

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Heat capacity is defined as the amount of heat energy is required by 1 gram of a substance (matter) to produce a unit change in its temperature. I...

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m AT
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C m AT (1)

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