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Calculate the mass of ice needed to cool...

Calculate the mass of ice needed to cool 150 g of water contained in a calorimeter of mass 50 g at `32^@`C such that the final temperature is `5^@`C. Specific heat capacity of calorimeter = 0.4 J `g^(-1)^@C^(-1)`, specific heat capacity of water = `4.2" J "g^(-1)""^@C^(-1)`, latent heat capacity of ice = 330 J `g^(-1)`.

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To solve the problem of calculating the mass of ice needed to cool 150 g of water in a calorimeter from 32 °C to 5 °C, we will follow these steps: ### Step 1: Calculate the heat lost by the water and the calorimeter. The heat lost by the water and the calorimeter can be calculated using the formula: \[ Q = mc\Delta T \] where: - \( m \) = mass of the substance - \( c \) = specific heat capacity ...
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