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Answered 2010-11-18 10:47:47

Thermal energy

Heat

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If two objects of different temperature are brought into contact, internal energy is transferred via heat. If two objects collide, kinetic energy is transferred between them.



If those two objects are in contact with each other, they will come to thermal equilibrium, at a temperature some place between the original temperature of the two objects. The actual final temperature will depend on the specific heat capacity of each object, the mass of each object and the temperature of each object.


equilibrium state----- ----- ----- ----- ----- ----- ----- ----- ----- ------ ----- ----- ----- -----'Thermal Equilibrium'.


heat is a quantity that is transferred between objects, an object cannot possess heat. and object can, however, be certain temperature.


Heat is transferred 4 different ways: Conduction, Convection, Radiation, and Mass Transfer.


Heat energy will be transferred from the hotter objects to cooler objects until they are all at the same temperature.


It's not. A difference in temperature is required in order to drive the transfer of heat.


Heat can only be transferred if there IS a temperature difference. (If two objects have the same temperature, nothing will happen).


Heat is the amount of energy transferred between objects where a difference in temperature is present. So in that sense, heat is related to temperature differences, but is not the same. The temperature difference is caused by the difference in the avg. speed of particles between the two objects.


heat us the energy transferred between two objects that are different temperatures. Whereas temperature is the measure if how hot(or cold) something is; a measure if the average kinetic energy of the particles in an object.


Not quite, heat is the amount of energy transferred between objects of different temperatures. Temperature is the average speed of particles in the object, or the average kinetic energy of the particles.


A transfer of heat (H) energy does not occur without a temperature differential. If the two objects had different amounts of H then a transfer would indeed occur. In this case heat would flow from a higher to lower temperature object.


From the warmer object to the colder one. page 482 in the textbook, under the soup!



the answer is They are at different temperatures. took a science test on this and got it right!


Energy is transferred when a reaction takes place between two objects.


You have to have two objects at different temperatures near each other, when two or more objects have the same temperature.


Heat will flow from the object that has the higher temperature, to the one with the lower temperature. This will continue until equilibrium is reached, i.e., both objects have the same temperature.


OK, let's see an example. Two objects of the same mass and same material (for simplicity) have temperatures of 50° and 60°, respectively. When heat is transferred between them, they may have temperatures of, say, 51° and 59°; later 52° and 58°, etc.; this will continue until they have the same temperature. But if they only have contact for a brief time, they will not necessarily have the same temperature - it needs a certain time for the temperatures to become equal.


In order for heat to be transferred between two objects by conduction the two object must be in contact with each other two conduct the heat between them.


Heat can be transferred in three ways, which are called conduction, convection, and radiation.


Heat is not transferred from a cold object to a warm one. The movement of heat between objects at different temperatures is like the flow of water between locations at different heights. Water will only flow down-hill. Heat will flow down-temperature.


No,two objects at different temperature does not have the same thermal energy because both objects have different temperature .object with high temperature has more thermal energy and the object with low temperature has less thermal energy.



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