After Working a 0

question 11

Multiple Choice

After working a 0.55-kg iron horseshoe with a temperature of 460 °C on an anvil, a ferrier drops it into a bucket that contains 11 kg of water with an initial temperature of 24 °C. Assuming no heat is transferred to the environment, determine the final temperature of the horseshoe in the bucket of water when thermal equilibrium is achieved. The specific heat capacity of iron is 452 J/kg · C°. For water, the specific heat capacity is 4186 J/kg · C°.

• A)26 °C
• B)34 °C
• C)41 °C
• D)49 °C
• E)52 °C

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