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7 kg of gold at 72 C cools to 26 C. The specific Heat of Gold is 129. How much heat is given off?

Respuesta :

Answer:

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Explanation:

You need to know the units of the specific heat to solve these types of problems:

Specific heat for gold is     129     J / (kg C )

   129 =  J / ( 7 kg * (72-26)C )

    solve for J = 41 538  J

     

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