Problem P. 3923. (November 2006)
P. 3923. In a thermally insulated container there was some water at a temperature of , then 1 kg ice at temperature was added. How much water was initially in the container if
a) there was no phase change;
b) the total amount of ice melted;
c) the total amount of water froze?
Deadline expired on 11 December 2006.
|285 students sent a solution.|
|4 points:||224 students.|
|3 points:||12 students.|
|2 points:||11 students.|
|1 point:||13 students.|
|0 point:||10 students.|
|Unfair, not evaluated:||15 solutions.|