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Math Help - Stuck on formula

  1. #1
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    Stuck on formula

    The amount of heat energy Q required to melt ice is directly proportional to the mass(m) of ice which is melted. If it takes 3.35 X10^5 J to melt 1000 g of ice, how much heat is required to melt 625G???

    Not sure which formula to go about this, as this pertains to thermo???
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  2. #2
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    Re: Stuck on formula

    \displaystyle Q \propto m \implies Q=km

    solve for k using Q= 3.35 \times 10^5 , m=1000
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