Question

temperature change in Metals metal specific heat initial temperature final temperature copper 0.39 100°C 27°C aluminum 0.90 100°C 31°C Iron 0.45 100°C ???????? Three metal blocks of equal mass are placed in boiling water for several minutes. Each block is placed in a different insulated container with water in it. The equilibrium temperature for each sample is recorded. What is the best prediction for the missing value in the data table?

Answer 1

Answer: 28

Explanation: the specific heat is closer to copper but higher than copper.

Answer 2

28 or 29 are the best predictions for the missing value.

What is Specific heat?

"It is the heat required to increase the temperature of 1 gm of substance to 1 degree Celsius."

• The metal with the high specific heat ratio undergoes the smallest change in temperature.

How to solve this problem?

• In the given problem aluminum is having lowest change in temperature ( 100-31=69).

• the missing value of final temperature of Iron should be between the copper and aluminum as it's specific heat ratio is between them.

         Hence ,considering the values given 28 or 29 are the best predictions for the missing value.

Learn more about specific heat here

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