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Homework Statement
a 1200 watt heater is used for raising the temperature of 1 liter of water to boiling point. how long will itake for the water to boil of the initial temperature of the water is 20 degrees celsius? ( 1 cal = 4.19 joules)
Homework Equations
Q = mass * specific heat * (final temperature - initial temperature)
The Attempt at a Solution
basically clueless..