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6. A hot piece of iron is placed into a container of green water , describe two ways in which heat is transferred in this system .

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1.- In a laboratory experiment, a calorimeter is used to determine the specific heat of iron. 80 g of dry iron pellets are placed in the cup and heated to 95°C. The mass of the inner aluminum cup with a stirrer made of the same material is 60 g. The calorimeter is partially filled with 150 g of water at 18°C.The hot pellets quickly expired in the cup and the calorimeter was sealed, as shown in Figure 17.5. After the system has reached thermal equilibrium, the final temperature is 22°C. Calculate the specific heat of iron HEAT SPECIFIC Iron: 470 J/kgC: 0.113 cal/gCAluminum: 920 J/kgC: 0.22 cal/gC
When two objects are in thermal equilibrium with a third object, then: A.They are in contact with each other. B.They are in thermal equilibrium with each other. C.They are at odds with one another. D.They must be transferring heat between each other.
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A 12 kg object is dropped from a height of 10 m and strikes the ground with a speed of 8.0 m/s. How much heat energy was produced during the fall? a) O J b) 1 200 J c) 400 J d) 800 J
Soil heats up much faster than water when the two are exposed to sunlight. Use that fact and your understanding of heat transfer to predict which way the wind will blow near the surface of the earth as the sun rises near the seashore. Explain.
2) By what primary heat transfer mechanism does the sun warm the earth? A) conduction B) convection C) radiation D) All of the above processes are equally important in combination.