Recent content by shamanblues

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    Difficulties understanding some basic concepts of thermodynamics

    Well, thank you all so much for replying! Last question: Have you got any internet sites to recommend to me so that I can read more about thermodynamics? Thanks!
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    Difficulties understanding some basic concepts of thermodynamics

    Well, first of all thanks for replying. I get it a little better now, but still not good: 1) "A reversible process is one that can be reversed with an infinitessimal change in conditions. It is an ideal that can be approximated but never achieved." -This is also the definition in my...
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    Difficulties understanding some basic concepts of thermodynamics

    Hi all, I m having some difficulties understanding some basic concepts of thermodynamics: -What is reversibility? Ok, i understand that if after the "go" and "return" processes, the system as well as the surroundings are back to their initial state, then we can say that the overral...
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    Problem with the definition of work

    All of your replies were so helpful ! Thank you! I understand better now. (could you please get all together and write a book! Seriously, i got more out of your 4 posts than i did reading my whole thermodynamics chapter...)
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    Problem with the definition of work

    indeed..! now i understand better. one more question however: What should i learn: -work=force*distance (my last year book) or -work=distance*force resisting to the movement (this years book..) ...or is it quantitatively (EXACTLY (?)) the same since if there is little resistance...
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    Problem with the definition of work

    Hi all, I m having a little problem with the definition of work: -Mechanical work is a force applied through a distance, defined mathematically as the line integral of a scalar product of force and displacement vectors. Work is a scalar quantity which can be positive or negative. -In...
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