1.

A calorimeter of mass m contains an equal mass of water in it. The temperature of the water and calorimeter is t_2 . A block of ice of mass m and temperature t_(3) lt0^@Cis gently dropped into the calorimeter. Let C_(1), C_(2) and C_3be the specific heals of calorimeter, water and ice respectively and L be the latent heat of ice. The whole mixture in the calorimeter becomes water is

Answer»

`(C_(1)+C_(2))t_(2)-C_(3)t_(3)+ L gt 0`
`(C_(1)+C_(2))t_(2)+C_(3)t_(3)+L gt 0`
`(C_(1)+C_(2))t_(2)-C_(3)t_(3)- L gt 0`
`(C_(1)+C_(2))t_(2)+C_(3)t_(3)- L gt 0`

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