alcohol of mass 0.5kg in a glass container of mass 0.4kg is heated by an immersion heater of power 300W.The initial temperature of the alcohol is 18℃.Neglecting any heat lost to the surrondings,estimate the time the immersion heater has to be switc
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![alcohol of mass 0.5kg in a glass container of mass 0.4kg is heated by an immersion heater of power 300W.The initial temperature of the alcohol is 18℃.Neglecting any heat lost to the surrondings,estimate the time the immersion heater has to be switc](/uploads/image/z/15190778-2-8.jpg?t=alcohol+of+mass+0.5kg+in+a+glass+container+of+mass+0.4kg+is+heated+by+an+immersion+heater+of+power+300W.The+initial+temperature+of+the+alcohol+is+18%E2%84%83.Neglecting+any+heat+lost+to+the+surrondings%2Cestimate+the+time+the+immersion+heater+has+to+be+switc)
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