# 4. A sheet of gold weighing 10.0 g and at a temperature of 18.0 °C is placed flat on a sheet of iron weighing 20.0 g and at a temperature of 55.6 °C. What is the final temperature of the combined metals? Assume that no heat is lost to the surroundings.Specific heat Au = 0.129 J/goCSpecific heat Fe = 0.444 J/goC

Question

4. A sheet of gold weighing 10.0 g and at a temperature of 18.0 °C is placed flat on a sheet of iron weighing 20.0 g and at a temperature of 55.6 °C. What is the final temperature of the combined metals? Assume that no heat is lost to the surroundings.

Specific heat Au = 0.129 J/goC
Specific heat Fe = 0.444 J/goC

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Step 1

The heat lost from the iron sheet will be heat gained by the gold sheet as no heat is lost to the surrounding.

Step 2

The heat lost by iron having a mass of 20 g and specific heat as 0.444 J/g- oC is calculated as,

Step 3

The heat gained by gold having a mass of 10 g and specific heat...

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