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Jeff
Jeff asked in Science & MathematicsChemistry · 5 days ago

 A 10 gram piece of an unknown metal is heated to 150ºC and placed in a calorimeter containing 100 grams of water at 20ºC. ?

If the water and metal reach a final temperature of 22.5 ºC, how much heat energy has flowed out of the metal into the water?

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  • hcbiochem
    Lv 7
    5 days ago

    Heat gained by water = m c (T2-T1) 

    q = 100 5 (4.184 J/gC) (22.5-20C) = 1046 J

    So, the metal lost -1046 J

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