Interpretation:
Final temperature must be calculated when 70 g of hot water at 85°C is mixed with 50 g of cold water at 18°C.
Concept Introduction:
As per Calorimetry principle, when a hot object is kept in contact with cold object then the hot object will release heat which will be absorbed by the cold object. The process continues until the temperature of both the object is same. This means thermal equilibrium is attained.
Answer to Problem C18.7RE
Final temperature of the mixture of water is 57.08°C.
Explanation of Solution
The final temperature can be calculated as follows:
Putting all the vales final temperature of the mixture of water is found.
Final temperature was found to be 57.08°C.
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