1. A 500 g piece of iron (Fe) changes 7°C when heat is added. How much heat energy produced this change in temperature? 2. When 300 J of energy is lost from a 125 g object, the temperature decreases from 45°C to 40°C. What is the specific heat of this object?

3. 1200 J of heat energy is added to a liquid with a specific heat of 0.57 J/g°C. If the temperature increases from 20°C to 33°C, what is the mass of the liquid?

4. If 50.0 grams of aluminum (Al) at 97°C is heated to 107°C, how many Joules are involved?

5. If 100 grams of metal at 100°C is cooled to 31.3°C, and heat given off is 2611 J, what is the specific heat of the metal? What metal is it?

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1. why does the same side of the moon always face earthc.the rotational period of the moon is equal to one revolution around earth2. which is greater the moons period of rotation or its period of revolution  b.the moons revolution period around earth3.what was the major accomplishment of the apollo missions  c.sending the first human into space4. which of these space missions involved the deployment of lunar roversa. voyager 15. which scientists are going to explore next on kepler-186fd. evidence of existence of life6.which mission is not going to explore the outside of the solar  systemb.safir7.which technology limit the future of space explorationb. scientist must first develop certain technologies before missions can be completed.

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