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In a laboratory experiment to measure th...

In a laboratory experiment to measure the specific heat capacity of copper, 0.02 kg of water at `70^(@)C` was poured into a copper calorimeter with a stirrer of mass 0.16 kg initially at `15^(@)C`. After stirring the final temperature reached to `45^(@)C`.
Calculate the heat energy released by water in the experiment in cooling from `70^(@)C` to `45^(@)C`. (Specific heat capacity of water = `4200 J kg^(-1)""^(@)C^(-1)`.

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To calculate the heat energy released by water as it cools from \(70^\circ C\) to \(45^\circ C\), we can use the formula for heat transfer: \[ Q = m \cdot c \cdot \Delta T \] Where: - \(Q\) = heat energy (in joules) ...
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In a laboratory experiment to measure the specific heat capacity of copper, 0.02 kg of water at 70^(@)C was poured into a copper calorimeter with a stirrer of mass 0.16 kg initially at 15^(@)C . After stirring the final temperature reached to 45^(@)C . What is the quantity of heat released per kg of water per 1^(@)C fall in temperature ?

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