1. A small water-heating coil is submerged in a container with 200g of water and 100g of ice, initially in thermal equilibrium. The heating coil is plugged to a 120V AC outlet for 5 minutes. The resistance of the coil is 72O. what is the initial temperature of the water-ice mixture? what is the average power dissipated in the coil? how much energy does the coil supply to the water-ice mixture in 5 minutes? а. b. с.

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1. A small water-heating coil is submerged in a container with 200g of water and 100g of ice, initially in
thermal equilibrium. The heating coil is plugged to a 120V AC outlet for 5 minutes. The resistance of
the coil is 72N.
what is the initial temperature of the water-ice mixture?
what is the average power dissipated in the coil?
how much energy does the coil supply to the water-ice mixture in 5 minutes?
what is the final temperature of the mixture (assume all of the ice melts and the
а.
b.
С.
d.
final temp. is more than 0°C)
Transcribed Image Text:1. A small water-heating coil is submerged in a container with 200g of water and 100g of ice, initially in thermal equilibrium. The heating coil is plugged to a 120V AC outlet for 5 minutes. The resistance of the coil is 72N. what is the initial temperature of the water-ice mixture? what is the average power dissipated in the coil? how much energy does the coil supply to the water-ice mixture in 5 minutes? what is the final temperature of the mixture (assume all of the ice melts and the а. b. С. d. final temp. is more than 0°C)
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