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1 kg ice at 0° C is mixed with 1 kg water at 10°C,then calculate final temperature.
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6 Answers
aragorn this is not the right method..
first you have to consider if whole of ice melts..
if it does, then L.1 < 10. Cwater
then the remaining heat will be used to balance the temperature..
yes bhaiya is ABSOLUTELY correct!!
i used to folow this method ... and it betrayed me .....
then i left it..
lat heat f fusion in ice : 3.4 X 10^5 J/Kg
amount of heat releasesd by water in coming from 10 to 0 deg C.
= 10 X 4200 X 1 = 42000 J.
this is less than the amount required to melt the whole of ice (340000 J)
so the final temperature is 0°C.
and at that temp, some ice is still left.
if u need to find the amount of ie left,
m' X 340000 = (340000 - 42000) =>m' = amount of ice at 0 degC.