Answers: 2
(assuming that no heat was lost to the surroundings.) 
denote the mass of the hot water.
is three times the mass of the hot water. If the mass of the hot water is 
.
denote the specific heat capacity of water. Let 
(without state change) would be:
.
.
to 
:
.
(where 
,) the temperature change would be:
.
.
should be equal to 
. That is:
.
:
.
.
.
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hot water is added to three times its mass of water at 10 degree celsius and the resulting temperatu...
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