look dear, when state change then temperature also change as temp of ice is zero degree Celsius and of water is 100° Celsius.. in this case ice is at -10° so u have to first change...
There is a mistake in the units of Cv and Cs. it should be, Cal/g/K. There are three steps involved as shown in the attached below. step 1 and 3 are taking place due to change in t...
Here is the detailed solution , you have just done a calculation mistake and that's fine it happens with everybody once in a while. feel freefor more doubts