A small electric immersion heater is used to boil 136 g o water for a cup of instant coffee. The heater is labelled 220 watts. Calculate the time required to bring this water from 23.5ºC to the boiling point, ignoring any heat losses.

A small electric immersion heater is used to boil 136 g o water for a

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A small electric immersion heater is used to boil 136 g o water for a cup of instant coffee. The heater is labelled 220 watts. Calculate the time required to bring this water from 23.5ºC to the boiling point, ignoring any heat losses.

A small electric immersion heater is used to boil 136 g o water for a cup of instant coffee. The heater is labelled 220 watts. Calculate the time required to bring this water from 23.5ºC to the boiling point, ignoring any heat losses.

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