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Question: Liquids A and B are at 30<sup>0</sup>C and 20<sup>0</sup>C. When mixed in equal masses, the temperat...

Liquids A and B are at 300C and 200C. When mixed in equal masses, the temperature of the mixture is found to be 260C. Their specific heats are of ratio –

A

3 : 2

B

1 : 1

C

2 : 3

D

4 : 3

Answer

3 : 2

Explanation

Solution

msA (30 – 26) = msB (26 – 20)

4sA = 6sB Ž sAsB\frac{s_{A}}{s_{B}}= 32\frac{3}{2}