A small electric immersion heater is used to heat $66$ g of water for a cup of instant coffee. The heater is labeled $“130$ watts$”($it converts electrical energy to thermal energy at this rate$).$ Calculate the time required to bring all this water from $20\backslash$deg C to $100\backslash$deg C$,$ ignoring any heat losses. $($The specific heat of water is $4186$ J$/$kg$·$K$.)$  

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To calculate the time required to bring 66 g of water from 20C to 100C using a 130watt immersion hea... View the full answer