Need help with each question.. thanks! Need help with each question.. thanks! 14

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Need help with each question.. thanks! Need help with each question.. thanks! 14.1 Spedific Heat Problem 14 14 previous 5of9 next Problem 14.14 Part A The value of spedific heat for copper is 390 J/kgC", for aluminun is 900 J/kg·C". and for water is 4186 J/kg.C What will be the equilibrium tomperature when a 215 g block of copper at 255 ° C is placed in a 155 g aluminum calorimeter cup containing 845 g of water at 160 °C? ss your answer using three significant figures °C Submit My Answers Give Provide Feedhack

Explanation / Answer

14.14

Heat Lost by Copper = Heat gained by water and aluminium

0.215*390*(255-T2)=0.845*4186*(T2-16)+0.155*900*(T2-16)

21381.75-83.85T2 = 3537.17T2-56594.72+139.5T2-2232

80208.47=3760.52T2

T2=21.33oC

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