How much heat must be added to 528 g of copper...?

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How much heat must be added to 528 g of copper...?

How much heat must be added to 528 g of copper at 22.3'C to raise the temperature to 49.8'C?

Copper=0.385 J/g 'C

2007-11-30 06:28:34 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry

2 answers

Q=mc (Tf-Ti) = 528*(49.8-22.3) *0.385 =5590.2J

2007-11-30 06:36:08 · answer #1 · answered by maussy 7 · 0⤊ 1⤋

Heat gained by the Cu..
= Mass (g) x SH (J/g/Â°C) x ÎT Â°C
= 528g x 0.385J/g/Â°C x 27.5Â°C ÎT
= 5,590.2 J = 5.590kJ

(I see once again some AH has thumbs downed a perfectly correct answer... Up you'res !)

2007-11-30 06:36:39 · answer #2 · answered by Norrie 7 · 0⤊ 1⤋