Question

300 g of water at 25 degree celcius is added to 100 g of ice at 0 c .the final temperature is

Answer 1

1 st find heat content of water by Q = mst And latent heat req.

To melt ice by Q=ml ... U will see that water is not able to melt the entire ice....

Therefore some ice will remain and temp. Will be 0°C.

Answer 2

= -1.25°C

Which is not possible. Hence θ_mix = 0°C