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1.0 kg of water is contained in a 1.25 k...

1.0 kg of water is contained in a 1.25 kW kettle. Calculate the time taken for the temperature of water to rise from `25^@`C to its boiling point `100^@`C. Specific heat capacity of water = 4.2 J `g^(-1)K^(-1)`.

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To solve the problem of calculating the time taken for the temperature of 1.0 kg of water to rise from 25°C to 100°C using a 1.25 kW kettle, we can follow these steps: ### Step 1: Identify the given values - Mass of water (m) = 1.0 kg - Power of kettle (P) = 1.25 kW = 1250 W (since 1 kW = 1000 W) - Initial temperature (T_initial) = 25°C - Final temperature (T_final) = 100°C - Specific heat capacity of water (s) = 4.2 J/g·K = 4200 J/kg·K (after converting from grams to kilograms) ...
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