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31 August, 08:42

If it takes 526 J of energy to warm 7.40g of water by 17 degrees celsius, how much energy would be needed to warm 7.40g of water by 55 degrees celsius?

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  1. 31 August, 11:16
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    The energy needed to warm water be 55 Celsius would be

    Q=m*c * Delta T

    We are given the following data

    Q=526

    m=7.4

    T=17C = 526/17*7.4

    Putting in the equation we get

    Q=mc DeltaT

    Q=7.4x55x526/17x7.4

    =55x526/17

    =1701.64 C
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