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7 October, 11:27

7g of gold is heated from 17 degrees C to 42 degrees C. How much energy (heat) was used? The specific heat capacity of gold is. 031cal/gC.

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  1. 7 October, 14:24
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    Heat needed=mcθ

    =7*0.031 * (42-17)

    =5.425cal
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