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State Property

Posted: Fri Jan 13, 2017 4:02 pm
by Kim
Is heat a state property always or only when its at constant conditions? Why?

Thanks :)

Re: State Property

Posted: Fri Jan 13, 2017 4:31 pm
by Diane_Zhao_3I
Heat isn't a state function because different paths can result in different amounts of heat that's transferred. For example, if you think of the different ways that a person can reach the mountain top, you can see that the paths require differing amounts of energy. Similarly, in 2 different reactions that result in the same product, the paths may be different. Because the paths are different, the amount of heat released or absorbed may be different.