Question

The value of specific heat for copper is 360 J/kg x C degrees, for aluminum is 900 J/kg x C degrees, and for water is 4186 J/kg x C degrees.

Course Home <Ch 14 HW Item 6 6 of 10 Consta The value of specific heat for copper is 390 J/kg.C.for aluminun is 900 J/kg.C. and for water is 4186 J/kg.C. Part A What will be the equilibrium temperature when a 215 g block of copper at 235 °C is placed in a 145 g aluminum calorimeter cup containing 835 g of water at 13.0°C? Express your answer using three significant figures. ΤΟ ΑΣΦ T. c. Submit Request Answer Provide Feedback Nes

Answer 1

say, Equilibrium . Temperature, 2T Mass of me Copper, = 215 gm 2.0.215 kg specific heat for copper, C. = 390 J/koj.& mass of Aluminium, mai?1459 20.145 kg Specific heart for Aluminium, CA 9003/kg. mass of waiter, mw2835 g 20.8.35 kg specific heat for water, Cw.? 4186.J/kg. Lek Jon > C Temperature T7.235°C Temperature, ?2 = 13°C Az erni librium temperature, heat lost by system is ernal Cara Scagrecording Calorimetry, the heat gain. thinked with CS to

According to calorimetry, mice (235-7) a mw Car (9-13) 4 maca (9-13) 50.215*360 (235-9) 20.835 x 4186 (9~13) +0.145x900 (9-13) >> 7714. (235 -T) (T-13).* 3625.81 = => 767656 of > 3703.21 TS 6 5 324.53 >> T = 17.63°c Equilibrium Temperature is 17.63°c CS Scanned with CamScanner