تم الحل ✓
categoryفيزياء
schoolبكالوريوس
event_available2026-07-13
السؤال
Transcribed Image Text:
2.
A 10 g ice cube, initially at 0 ºC, is melted in 100 g of water that was initially 20°C. After the ice
has melted, the equilibrium temperature is 10.93 ºC. Calculate:
a.
The total heat lost by the water (the specific heat for water is 4.186 J/g/K).
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3.
b.
C.
The heat gained by the ice cube after it melts (the specific heat for ice is 2.093 J/g/K).
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The heat it took to melt the ice (Hint: it takes 334 J of heat energy to melt 1 g of ice).
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Inside a calorimeter is 100 g of water at 39.8°C. A 10 g object at 50°C is placed inside of a
calorimeter. When equilibrium has been reached the new temperature of the water and metal
object is 40°C. What type of metal is the object made from?
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