Question

If 20g of water st 60 degrees celsius is mixed with 60g of water at 20 degrees celsius The resultant temperature is

Answer 1

tell me if it is right or not.

Answer 2

Given :

20 g of water st 60 degrees celsius is mixed with 60 g of water at 20 degrees celsius .

To Find :

The resulting solution of the system .

Solution :

Let , final temperature be T .

So , heat released by water = heat gain by water

$m_1S(60^o-T)=m_2S(T-20^o)\\\\20(60^o-T)=60(T-20^o)\\\\T=30^o\ C$

Therefore , resulting solution of the system is $30^o\ C$ .

Learn More :

Thermodynamics

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