Section: Roll # Name: - Last, First Pre-lab Questions Calculate the specific hea

Question

Section: Roll # Name: - Last, First Pre-lab Questions Calculate the specific heat of a metal from the following experimental data: 75.0 mL cold water is taken in a calorimeter. The initial temperature of the water in the calorimeter is 21.2 °C. To the calorimeter containing cold water 29.458 g metal at 98.9°C is added. The final temperature of the contents of the calorimeter is measured to be 29.5 °C. (Given: Density of water 1.00g/mL, Specific heat of water -4.184 J. gl oc') 1. Show calculations in detail. Complete the table below, aftere reading the procedure described in part B of the experiment (Specific Heat of a Metal). The first ans : wer

Explanation / Answer

mass of water= density x volume

= 1 x 75 = 75g

now let the specific heat of metal = c

now, heat release by water = heat gain by metal

--> 75 x 4.184 x (29.5 - 21.2) = 29.458 x c x (98.9 - 29.5)

--> 2604.54 = 2044.3852 x C

--> C= 1.274 J.g-1C-1

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