In this experiment we have used 1.0*1.0^1J/degree celcius for the heat capactiy

Question

In this experiment we have used 1.0*1.0^1J/degree celcius for the heat capactiy of the coffee -cup calorimeter. let us verify this number through the following :

Experimental procedure :

1.) Place 50ml of water at 20.0 degree celcius in the coffee cup calorimeter .

2.) Add 50 ml of hot water at 98.0 degree celcius to the calorimeter holding the cold water .

3.) The Tf of 58.0 degree celcius was obtained through the temperature time graph.

Now, Calculate the specfic heat of the coffee cup calorimeter used in this experiment . remember that the heat lost by the hot water was gained by the cold water as well as the calorimeter .

Explanation / Answer

Since you got 2 postings with drastically different answers, I will weigh in with the deciding vote. The first method and answer of c = 0.2189 J /g degC is correct.

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