Asked by Becky
106 g of iron at 84.0°C are placed in contact with 205 g of silver at 11.0°C. If no heat is lost to the surroundings, what is the final temperature of the metals? The specific heat of iron is 0.418 J/g·°C and that of silver is 0.251 J/g·°C.
92.0 g of a metal at 92.0°C are added to 53.0 g of water at 30.6°C. When the system reaches constant temperature, the temperature is 38.7°C. What is the specific heat of the metal? The specific heat of water is 4.184 J/g·°C.
92.0 g of a metal at 92.0°C are added to 53.0 g of water at 30.6°C. When the system reaches constant temperature, the temperature is 38.7°C. What is the specific heat of the metal? The specific heat of water is 4.184 J/g·°C.
Answers
Answered by
DrBob222
heat lost by Fe + heat gained by Ag = 0
[mass Fe x specific heat Fe x (Tfinal-Tintial)] + [mass Ag x specific heat Ag x (Tfinal-Tinitial)] = 0
Substitute and solve for Tfinal.
The second problem is worked the same way.
[mass Fe x specific heat Fe x (Tfinal-Tintial)] + [mass Ag x specific heat Ag x (Tfinal-Tinitial)] = 0
Substitute and solve for Tfinal.
The second problem is worked the same way.
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