Question

140 g of water at 30 ° C is taken in calorimeter mde of copper of mass 42g. when certain mass of ice at 0 °C is added to it the final steady mixture after the ice has melted , was found to be 10°C. find the mass of ice added.(specific heat capacity of water=4.2Jg-1°C-1, specific latent heat of fusion of ice=336Jg-1, specific heat capacity of copper=0.4Jg-1°C-1)
(please answer as soon as possible)

Answer 1

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