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    mykelakenney's Avatar
    mykelakenney Posts: 1, Reputation: 1
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    #1

    Jan 5, 2012, 07:21 PM
    Science questions grade 10
    Imagine a small pond contains 4000 g of water. If it absorbs 61.5 million solar energy in one day, and no energy is lost to evaporation, by how much will the water temperature rise?
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #2

    Jan 5, 2012, 11:07 PM
    If the unit of the energy is joules, then simply do:

    Q = mcT

    Q = 61.5M,
    m = 4000 g,
    c should given in the question and should be given in J/(gK) or else, you'll have to convert,
    T is the change in temperature.
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    #3

    Jan 9, 2012, 02:01 PM
    I suspect that the OP has a typo in his post - I'm guessing it should be 4000 Kg of water, not 4000g. Otherwise the temp rise of the water will be thousands of degrees!
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