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vperez5765
27.07.2021 •
Chemistry
A sample of aluminum, which has a specific heat capacity of , is put into a calorimeter (see sketch at right) that contains of water. The temperature of the water starts off at . When the temperature of the water stops changing it's . The pressure remains constant at .Calculate the initial temperature of the aluminum sample. Be sure your answer is rounded to significant digits.
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Ответ:
Complete Question
A sample of aluminum, which has a specific heat capacity of 0.897 JB loc ! is put into a calorimeter (see sketch at right) that contains 200.0 g of water. The aluminum sample starts off at 85.6 °C and the temperature of the water starts off at 16.0 °C. When the temperature of the water stops changing it's 20.1 °C. The pressure remains constant at 1 atm. Calculate the mass of the aluminum sample.
Explanation:
From the question we are told that:
Heat Capacity![H=0.897](/tpl/images/1400/0223/649b1.png)
Mass of water![M=200g](/tpl/images/1400/0223/7ab38.png)
Initial Temperature of Aluminium![T_a=85.6](/tpl/images/1400/0223/5b54e.png)
Initial Temperature of Water![T_{w1}=16.0](/tpl/images/1400/0223/6bc1d.png)
Final Temperature of Water![T_{w2}=16.0](/tpl/images/1400/0223/6fa85.png)
Generally
Heat loss=Heat Gain
Therefore
Ответ: