A 1-kg steel rod is at 227 degreeC and is dropped into a 1-liter bath of water a

Question

A 1-kg steel rod is at 227 degreeC and is dropped into a 1-liter bath of water at 27 degree C. Assume that these materials are thermally isolated from the rest of the universe. You will determine the final temperature of the steel rod after it reaches thermal equilibrium with the water. a. Before you calculate this temperature, what are the maximum and minimum temperatures that the steel rod could be at after thermal equilibrium in this situation? b. Determine the final temperature of the water after the two have reached thermal equilibrium?

Explanation / Answer

maximum and minimum temperature can be 226c and 28c.

heat released by steel rod = heat absorbed by water

(m*c*dT)iron= (m*c*dT)water    , let final temp be T

1*.449*(227-T) =1*4.2*(T-27)

T*4.649 = 215.323

T =46.316C

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