an electric immersion heater has a power rating of 1500 W. If the heater is placed in a liter of water @ a room temperature, how many minutes will it take to bring water to a boil? (assume that there is no heat loss)

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anonymous · Answer

the answer to this question is on meritnation u can easily find it

anonymous · Answer

The heating rate is 1400 W = 1500 J/s
Room temperature is about 25 oC.
Amount of heat needed will be specific heat of water [J/kg-oC] times mass of water [kg] times (100-25).
Time will be amount of heat divided by rate of heating.

anonymous · Answer

where do 1400 W came from?

anonymous · Answer

Sorry, my mistake: 1500 W = 1500 J/s. Morning brain fog.

anonymous · Answer

i used 20 as room temp