Question

If 1.0kg of juice of a specific heat capacity 3.0kj/kg degrees c at a temperature of 10 degrees celsius is poured into a 1.0kg glass bowl that is 15 degrees celsius. determine the final temperature of the juice.

Answer 1

We have heat lost by water is equal to heat gained by Juice.

Heat exchanged is calculated using the formula,

`\Delta H=ms \Delta T`

Let
`T_f` be the final temperature then,

`image`

The final temperature of the juice is 12.913 K.