B. Internal Energy For the following diagrams, indicate the sign of the variable specified.jutolnongaSxemqumounonosCaleAE iscops loct...

The diagram shows four states of a system, each with different internal energy, $E$ . (a) Which of the states of the system has the greatest internal energy? (b) In terms of the $\Delta E$ values, write two expressions for the difference in internal energy between State A and State B. (c) Write an expression for the difference in energy between State $\mathrm{C}$ and State D. (d) Suppose there is another state of the system, State E, and its energy relative to State A is $\Delta E=\Delta E_{1}+\Delta E_{4}$ . Where
would State $E$ be on the diagram? [ Section 5.2$]$

Hello way. Now we are going to consider a new person. You still need an ideal guest is taken around A. B. Here is running the about PV diagram the changing its Centenary now. Oh that is the I want to that it be excess. They did we excel. Mhm Okay. Mhm. Daddy E I love it. The see they did 40 three me That it be only three weeks and that coordinated B. Mm. No why didn't you send the change in internal energy? That is the solution for slow changing into another. You will do what you a minus you initial. Sorry you initial miners you planning and we know that that process is going on A. To B B to C. Or C to A. So for that cycle Cool that cycle the initial um and final also you will so The U equal to zero. So internal RG of the psychic proceeded Jeremy coach. Internal energy. The point function. It depends only on point, it does not depend on path. So point initial strategy or a and finally study also A. So the difference between A U. N minus you were so right answer of that decision is see Hobson thank you. Thank you very much

Let's consider the following energy diagram and answer the questions that follow For a Does the dagger represent an increase or decrease in the internal energy of the system, we can see that the energy of the product is greater than the energy of the reactant. Therefore, the change in energy is greater than zero. So the internal energy all right of the system increases. Yeah, yeah, for bead. What sign is given to Delta eat for this process. So since it is increasing, Delta E is a positive quantity. And for C, if there is no work associated with the process, is it excel thermic or end a thermic So Delta E is greater than zero. Yeah, hence, yeah, it is an end, a thermic process.

The internal energy. The internal energy you a unique function, AJ unique function or of any state. Because uh any state. Because because of changing you, because of changing you deal, you does not depend upon path. That's not depend upon path. So according to the option in this problem option, age, correct, Then sit here.

Here we would like to explain temperature, heat and internal energy. So temperature heat um and internal energy internal um So we'll talk about these in reverse order here. Um Internal energy is just the total kinetic energy of all of the particles inside a substance. Plus any potential energy associated with any forces between those particles. Uh Heat is the energy transferred from one body to another. Um That will result in a change in a temperature. And temperature is just an absolute measure of the average kinetic energy of all of the molecules within a substance. So all three of these are are very related to each other. Um But in physics they mean something um independent of each other. Um So when you're talking you might use things like temperature and he you mean the same thing. But in physics we need to be very careful about what we're talking about here.