When does entropy increase9/27/2023 Two-dimensional, looks like area, but we could imagine the Look, you know there's, they have the same number of molecules, I have the same amount of volume, I'm looking at a So why does this system have entropy? You might say, well Kinetic energy goes up, these things start bouncingĪround with more momentum, with more velocity. Temperature of this system goes up, the average Transfer coming into this, and then because of this, the That, I will use orange, and we use the letter Q to denote heat. So we have a transfer of thermalĮnergy, which we call heat, let me pick a color for Other things as well, but the translational kineticĮnergy is a little bit easier to actually visualize. Kinetic energy, each molecule will be doing different things,Īnd I always draw it as this translational kinetic energy,īut they could be rotating and oscillating, and doingĪll sorts of other things. And these molecules are bouncingĪround at some temperature, so they have some average Let's assume that this is an ideal, closed system, this We have, it's the number of states that a systemĬould actually take on. Transfer of thermal energy, and entropy, this isĪ state of the system, it's the number of, it's the amount of disorder How does heat lead to entropy? Remember heat is a Heat is leading to entropy, it's leading to moreĮntropy in the universe. Making this video, my body's generating heat, and that ![]() ![]() Use, even in our every day, I talk about hey, while I'm ![]() It is going towards entropy, it's becoming less and less useful. And another way of thinkingĪbout it is that the energy in the universe, more and more of Video on the second law of thermodynamics I talkĪbout how the entropy of the universe is constantly increasing, that it's not going to decrease.
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