Question
Question: 10 g of ice at 0<sup>0</sup>C is mixed with 100 g of water at 50<sup>0</sup> C. What is the resultan...
10 g of ice at 00C is mixed with 100 g of water at 500 C. What is the resultant temperature of mixture?
A
31.20C
B
32.80C
C
36.70C
D
38.20C
Answer
38.20C
Explanation
Solution
Heat given by water = 100 × (50–q)
& heat taken by ice = 10 × 80 + 10 (q – 0)
̃ 100 × (50 – q) = 80 + 10 (q)
̃ q = 38.2 0C