A 15.0 g sample of nickel metal is heated to 100.0 degrees C and dropped into 55.0 g of water, initially at 23.0 degrees C. Assuming that all the heat lost by nickel is absorbed by the water, calculate the final temperature of the nickel and water. (C

The final temperature of nickel and water is  .

Explanation:

The given data is as follows.

   Mass of water, m = 55.0 g,

  Initial temp, ,      

  Final temp, = ?,

  Specific heat of water = 4.184 ,      

Now, we will calculate the heat energy as follows.

           q =

              =

Also,

    mass of Ni, m = 15.0 g,

   Initial temperature, ,

   Final temperature, = ?

 Specific heat of nickel = 0.444

Hence, we will calculate the heat energy as follows.

          q =

             =      

Therefore, heat energy lost by the alloy is equal to the heat energy gained by the water.

= -()

                 =

Thus, we can conclude that the final temperature of nickel and water is  .