Chemistry 109

How many joules of heat are required to raise the temperature of 225 g of water from 42 degree celcius to 75 degree celcius?

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  1. q = mass H2O x specific heat H2O x (Tfinal-Tinitial)

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  2. Formula q=m*c*delT
    data
    m= 225gm
    c= 1
    delT= 75-42=33degree celcius

    q=mct
    =225*1.0*33
    =7425 j

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