How much total energy is used to make

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To make a cup of tea, an exhausted academic fills a kettle with 1.05-L of water at 18-°C and boils it. Her cup holds 250-mL of tea (ignoring the volume of the tea bag). The kettle heats the water until it boils, and stops heating 60-s after the water boils, during with time 0.1-% of the water has boiled away. How much total energy is used to make that cup of tea? (The specific heat of water is 4.186 J/g/°C and the latent heat of vaporisation is 2260-J/g.)

Reference no: EM13846926

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How much total energy is used to make : To make a cup of tea, an exhausted academic fills a kettle with 1.05-L of water at 18-°C and boils it. Her cup holds 250-mL of tea (ignoring the volume of the tea bag). The kettle heats the water until it boils, and stops heating 60-s after the water..

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