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A block of aluminum at 204°C is put into 1.00 kg of water at 24.0°C. They came to equilibrium at 28.5°C.?

Science & Mathematics by Anonymous 2018-06-19 18:33:19

Social Science

A block of aluminum at 204°C is put into 1.00 kg of water at 24.0°C. They came to equilibrium at 28.5°C.?

1 answer

What was the mass of the aluminum block Al c= 900 Water c= 4186 Unit = kg

  • Anonymous

    ma+ca*Ta+mw*cw*Tw = Te(ma*ca+mw*cw) 28.5*(ma*0.900+1000*4.186) = (ma*0.900*204+1000*4.186*24) ma*(183.60-25.65) = 1000*4.186*(28.5-24) ma = 1000*4.186*(28.5-24)/(183.60-25.65) = 119.3 grams

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