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Chemistry 94 Online
khanm:

A portable electric water heater transfers 255 watts (W) of power to 5.5 L of water, where 1 W = 1 J/s. How much time (in minutes) does it take for the water heater to heat the 5.5 L of water from 25oC to 42oC? (Assume that the water has a density of 1.0 g/mL.)

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