Recent content by zrek

"...only way to have distances growing by "objects moving in space"" ... Well, this is a very surprising for me, because I've always heard that some objects may travel from us quicker than light, and it is possible because the space stretches itself. And the space stretch itself cause a specific...

Thanks for the correction. However I'd add that the other non-accelerating effects of the expansion would not cause the spacetime structure itself expandig, only making the distance bigger between the objects in space (I mean the objects are traveling by them in the space and not the space...

Thank you, sounds interesting and surprising.

The space expands due the dark energy, so the light wavelength also stretches during its journey between galaxies, causing a measurable redshift. How can I argue that this is the right reasoning for the measured redshift? What if someone states that the photon maybe simple loses its energy over...

Please try thinking with my head. I'm not posting here just because I'd like to convince you, my intension is only that I'd like to solve the problem I faced and I need some help form others who have greater knowledge on the topic. I don't really need explanations on why I can't calculate...

I'm not sure: is it necessary at all to know what happens with the red and blue? I'm thinking on this only because I assumed from your earlier posts that this is necessary for the calculation of entropy. We can't even say that the red and blue are separated gases (and this is important, since...

It is defined, because I'm talking about the gas in equilibrium. I'm sorry if I can't wording clearly, please try to understand even if my english is poor. In the sentence "During the process, the volume of gas from the left chamber increases, while the volume of the other gas decreases." I...

OK, then first I have to try to convince you about the disagreed ones before I can step forward. 4. During the process, the volume of gas from the left chamber increases, while the volume of the other gas decreases. (a or d?) You mentioned 2 things against it: 4.a: The volume of gas had not...

I think also that this is interesting and I can learn from you. Finally it would be great if I can find a solution for my problem :-) Please don't be upset if I repeat myself, I just try to understand the things and find an acceptable way. Before I continue, I'd like to know what do you accept...

If the "volume of the gas" have no standard definition for the situation, then you can't expect me to give one that is completely correct. This would be a scientific breaktrough :-) However you are wrong if you state that I can't figure out a calculation that has anything to do with the way...

I try to understand what you mean and try to find a solution paralelly so I continue with questions if you don't mind, maybe you will have further ideas. (Thanks in advance) So, in the initial conditions, with two separated chambers, I have clear volume values, each of the volumes of the...

Maybe you are right if we take this rigorously, but there is no gas in a real environment in which the gas is in perfect equilibrium. For example in my very room the air flows because of my breathe, causing turbulence, maybe there are even several microliters of vacuum in it. Still we can say...

This sounds interesting. Could you give me a very simple example for the connection between the free energy and the entropy?

This is correct, the simplest system is acceptable as far as it can be modeled from deterministic microstates, since I'd like to run my modell in a computer. I'd like to see a number for entropy just like for the temperature and pressure, during the process. I haven't realized, but you got it...

I don't mind if the expansion is not instantaneous. It is perfect also if it is not instantaneous, but much faster then that my time resolution scale requires. In a computer simulation I can't give exact numbers for the other values too for every single moment, but I can calculate them with...