An electrical resistor immersed in a liquid produces 65.0 W of electrical energy for 120 seconds, which heats the 0.780 kg mass of liquid, causing it to rise in temperature from 18.55°C to 22.54°C. Find the average specific heat capacity of the liquid in this temperature range. Assume that negligible heat is transferred to the container that holds the liquid and that no heat is lost to the surroundings.
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