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Kp for a gas phase reaction is 4.7 x 10-2 at 660 %C. Calculate AG? at 660 ' R = 8.314 J/molK)16.1 kJO109kJ0246kJ023.7 kJO31skJ...

Question

Kp for a gas phase reaction is 4.7 x 10-2 at 660 %C. Calculate AG? at 660 ' R = 8.314 J/molK)16.1 kJO109kJ0246kJ023.7 kJO31skJ

Kp for a gas phase reaction is 4.7 x 10-2 at 660 %C. Calculate AG? at 660 ' R = 8.314 J/molK) 16.1 kJ O109kJ 0246kJ 023.7 kJ O31skJ



Answers

Calculate $\Delta G^{0}$ at $298 \mathrm{~K}$ for the reaction: $\mathrm{P}_{4} \mathrm{O}_{10}(\mathrm{~s})+6 \mathrm{H}_{2} \mathrm{O}(\ell) \longrightarrow 4 \mathrm{H}_{3} \mathrm{PO}_{4}(\mathrm{~s})$ $\begin{array}{lccc}\Delta H_{\mathrm{f}}^{0}, \mathrm{~kJ} / \mathrm{mol}: & -2984 & -285.8 & -1281 \\ S^{0}, \mathrm{~J} / \mathrm{mol} \cdot \mathrm{K}: & 228.9 & 69.91 & 110.5\end{array}$

Today I'll be going over questions. Remember 1 11 which against you two equations and your particular your T p A. So you have in 202 The 19. Oh, enough to we're doing on to, you know, 02 and all those over to to A and O us. Oh, to you two and two. So how, you know, jeans for both, You know that to be is continuing to this one's Maybe they're 67 point well, here in 16 69th return. And then these comes out getting to lost two or two, 222 which is the equation that you have at the top. So that means you have to add these two, which is gonna be 103.5. So it will be one or three 500 jewels over 8.314 books 8.314 times 2 98. It gets your negative. 40 will come soon. And then your KP E to a 1941.7, which is gonna be equal to so pretty soon. Times change minus we to

Do you today? I'm going on the question and so on. Whether tells you kept Doctor que Well, use your doctor change. Okay. Okay. Here. KP. So you have and two guys plus O two guys to give you. Then e have to Well, to a no. To you know, many how you're too. And oh, plus go to to get to in order to you have your doctor's. Jeez, which is one so only 3.2 killing jewels O negative. 69 point sarin killer jewels. You can't leave out to get into gas plus two or to gas, you know to They know too. Yes. Then when you do this temptation that well, 3.52 groups then race. So then you do 103. 500 Jules over 8.31 four turns your 2 98 to get used. 7.24 Thanks. 10 to the minus. Right. Teen. Mhm more before your KP You do. 7.24 turns turned to a minus 19 dreams. Holy 082 What? 06 10 3 to 98 running of the rooms. Race this part. Yeah, number one. And this will give you two 0.96 terms. 10 to the minus 20. Mhm

Thermodynamics is the branch of physics that deals with the relationships between heat and other forms of energy. So in particular, it describes how thermal energy is converted to and from other forms of energy and how it affects matter. So here we're looking to calculate the free energy of the reaction. That can be calculated using delta G. Nort is equal to negative R T L n K. So Kay is the equilibrium constant. T. Is the temperature in kelvin are is the universal gas constant delta G. Note, that's the standard free energy. As we plug in, our values got negative 8.31 times 10 to the minus three kg jewels pack, Calvin, Multiplied by 473 Calvin multiplied by L N 2.2 times 10 to the 11. What we should get is negative 102.656 killer jewels. And so in the next part we're going to be substituting in 4.6 times 10 to the eight for K. 8.31 times 10 to the minus three kg joules per kelvin for our 533 Calvin for the temperature. So it sold for parts a wee plug in the values into the same equation, we get negative 83.345 kg jewels, wow!

All right, Here's another problem Where we're working with Delta are Gina and Delta FG Knots of individual reacting products in our reaction. So here is this is our reaction covered oxide gas and die atomic chlorine Casco to make CEO Seo to gas. We've been given that the temperature is standard to get Kelvin. We know that the Delta f g not of c o gas. Is this negative 1 37.2 and then we have k never 6.5 tonnes center the 11. But these two things we cant put in one equation yet So we gotta break this down into two parts. The first part. We're basically going to find the overall, um, Delta r g not we're gonna do that by using this equation. The dot org no equals negative rt lnk. So we can We don't know this, but but I find it don't groups. Oh, are, uh this are is 0.828314 Sorry temperature again. It's to 98 and then we have our k given to us long. A natural log of 6.5 10 sent to the left after calculating all of this could put it in your calculator. Going to get an answer of negative 67 0.39 killed. Jules, promote. This is only part one. Now we can go back and use this part of it, because now we're basically gonna bring something to parts of the reaction. Um, consider that again. Tell toe R. G not is calculated by, um the products that is reacting. It's and those of the individual delta. Jeez. Oops. Direct IDs. So we're gonna do here is filling what we know. So we know overall negative. 67 0.39 huh? We don't know what's produced CEO Seo, too, so we're gonna leave that as it is. Um, actually, this negative sign would take out because that should not be there. All right, and then report this delta F G note for CEO seal, too. That's unknown. That's what we're trying to find. Minus were given in the problem 1 37.2 cause that's one of our products that is covered, monoxide. And we don't have to worry about, um, the chlorine because it doesn't have a value associated with it. It just exists as its diatonic Steve. So after we Oh, this is also negative. I'm sorry. So after we add this over, we're gonna get answer Delta Chino of C O C. L two gonna get answer of negative 204 0.59 killer jewels. Permal the problem asks us to compare it to the appendix data, which is? They give 204 0.6. So we are right on with our calculating, um, so you can go back and check that answer if you want, but this is it.


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