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  1. ...composition have been vapourized. Usually naturally formed magma will not be so hot , and lava temperatures are usually less than 1200 deg C. ...

  2. ...resistance of one metre of the copper wire = [(16.78 × 10-9 × 1) / x] Ω. So to speak, power developed in one metre of the wire when carrying...

  3. ...temperature of the whole room would be longer. Since hot air is not as dense as cool air, so that hot air will stay near the top of the room. When the air-conditioner is ...

  4. ...spectrum. It is a mixture of different light. So white hot flame is only achievable when the flame release energy...the same time. In most situation, this does not happen. If you burn a fuel / material, the energy release...

  5. .... It is not a state of energy. So , heat cannot be used to describe the energy content of an... the other hand, when an object is hot , its intermolecular potential energy increases...

  6. ... HIGH specific heat capacity, so it requires a lot of energy to...of the oven, or oil, the surface is hot , and if the crust heat capacity is high...2010-06-15 13:21:55 補充: it does not have high heat capacity!

  7. ...presume that the tank with water, after heating, is then closed so that the steam would not escape away. When the hot tank is cooled rapidly, the steam that has expelled the...

  8. ...power is the same because they are put in same freezer so the higher the energy the longer the time for it to... answer should be Abecause it is not necessay to mention the glass of hot water

  9. ...than water ..." This explains that even if you put oil into hot water, oil is not miscible. You can also search the meaning of "dissolve&quot...

  10. 1. temperture is directly proportional to kinetic energy so when Temp increasses, KE also increases 2. yes. Internal energy = potential energy + kinetic energy hot water only means high kinetic energy if there is a lot of cold water...