50 grams of ice cubes at -15°c are used to chill a water at 30°c with mass mh20 = 200 g. assume that the water is kept in a foam container so that heat loss can be ignored. find the final temperature.

Answer : The final temperature is,

Explanation :

In this problem we assumed that heat given by the hot body is equal to the heat taken by the cold body.

where,

= specific heat of ice =

= specific heat of water =

= mass of ice = 50 g

= mass of water = 200 g

= final temperature = ?

= initial temperature of ice =

= initial temperature of water =

Now put all the given values in the above formula, we get:

Therefore, the final temperature is,

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