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About 5g of water at 30^(@)C and 5g of i...

About `5g` of water at `30^(@)C` and `5g` of ice at `-20^(@)C` are mixed together in a calorimeter. Calculate final temperature of the mixture. Water equivalent of the calorimeter is negligible. Specific heat of ice `=0.5"cal"g^(-1)C^(@)-1)` and latent heat of ice `=80"cal"g^(-1)`

A

`0^(@)C`

B

`-20^(@)`

C

`-10^(@)C`

D

`+1.2^(@)C`

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