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please could you help me with physics question?
a kettle supplies energy at a rate of 2500 J per second. it contains 1.5 litres of water which is at 100 degrees c. how long would the kettle need to boil for in order to evaporate all this water? ( The specific latent heat of water for boiling is 2.26 MJ/kg
. 1 litre of water has a mass of 1kg.)
1 Answer
- ?Lv 610 years agoFavorite Answer
Energy required = 2.26*1.5*1000000 J
Time required = Energy required (J) / 2500
=2.26*1.5*1000000 / 2500 sec
