A cast iron saucepan of mass 4.4 kg is filled with 20 L of water at...

A cast iron saucepan of mass 4.4 kg is filled with 20 L of water at 25 °C, placed on an electric hotplate, and initially brought up to boiling point. Further heat is applied until half of the water has boiled off. What is the cost of the energy used if electricity costs 30 cents per kWh and the hotplate has an efficiency of 75%?

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samet mamat answered 7 months ago

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