Aluminum 125
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Aluminum 125
What mass of aluminum, in grams, can be heated from 24.5C to 44.0C?

What mass of aluminum, in grams, can be heated from 24.5C to 44.0C by a quantity of heat sufficient to raise the temperature of 125 g H2O through this same temperature interval?
specific heat of aluminum 0.092 Jg-1C-1
specific heat of water 4.182 Jg-1C-1

Let the mass of Aluminium be M grams.

Then use Heat required = Mass x specific heat x change in temp.

125g x 4.182J g-1C-1 x 19.5 oC = M x 0.092 Jg-1C-1 x 19.5

M = 125 x 4.182 / 0.092 = 5682.1 g ( 5.6821 kg)

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