Answer: A small electric immersion heater is used to heat
Chapter , Problem 23(choose chapter or problem)
A small electric immersion heater is used to heat 100 g of water for a cup of instant coffee. The heater is labeled "200 watts" (it converts electrical energy to thermal energy at this rate). Calculate the time required to bring all this water from 23.0C to 100C, ignoring any heat losses.
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