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Cathe References acces} important Falues if necdtd for (bL quation1.08 mol sample ofcarbon dioxide g2: at ? temperature of 8.00 FC 13 found t0 occupy Tolume of 20 2...

Question

Cathe References acces} important Falues if necdtd for (bL quation1.08 mol sample ofcarbon dioxide g2: at ? temperature of 8.00 FC 13 found t0 occupy Tolume of 20 2 literz. The pressure of this gas sample mm Hg

Cathe References acces} important Falues if necdtd for (bL quation 1.08 mol sample ofcarbon dioxide g2: at ? temperature of 8.00 FC 13 found t0 occupy Tolume of 20 2 literz. The pressure of this gas sample mm Hg



Answers

An $11.1$ - $\mathrm{L}$ sample? sample of gas is determined to contain $0.50 $ $\mathrm{mole}$ sample?of $\mathrm{N}_{2} .$ At the same temperature and pressure, how many moles of gas would there be in a $20 .$ - $\mathrm{L}$ sample?

From 70 below and let us write down everything we know from this question. So we know pressure, which is 1.44 atmospheres. Then we know our William, which is 0.570 liters. Then we know our temperature, which is 281 Kelvin. Later, we know our vests, which is your 0.9 lying 3 g. Andi, just reminder a guest Constant has a value of 0.8 to 1 litres times atmosphere divided by mole times. Calvin and we need to find our mullah mass of the guests. So how will we determine them all? A mess Well, will use ideal gas law. And what is the ideal Gasol formula? Well, it's PD equals and t So also, we know that end is equal to mass divided by Mullah mess. So we can just plug this into our idea Gasol formula and we will get the formula P equals mess divided by Muller mass times all t on Rearrange this formula for Mullah mess and you will get the formula looking like this mass times o t divided by PV. And now you just need to put your values and into this formula. And what would you get? So it's zero point ny Lying 3 g for mass than our is your points You 8 to 1 liters times atmospheres divided by small time Scallon, Don't forget your units on the temperature, which is 281 Kelvin, divided by our pressure, was 1.44 atmospheres and times it by 0.570 creatures. And if you put these values into your calculator, you'll get the answer off. 27.91 cramps provable. So, yeah, this is the answer for problem 71.

There. This problem is a word problem with lots of different values. As we read through the question, we see that we are trying to solve for pressure. And we want to know pressure in the units tour. Some of the other information were provided in this problem is number of moles, which we preview with the letter n. And that is 0.917 Our temperature. Sorry. I'm gonna go back and put hydrogen in here. All right. Our temperature. He is 25 degrees Celsius. We have learned in this unit that temperatures need to be in Kelvin for us to be able to use them in any of our equations. So I'm going to go ahead and add to 73 to convert this to to 98 Calvin. Bye. We also have a volume of 21 0.7 leaders. Looking at what we have here, we have a number of moles, a temperature volume and we're trying to solve for pressure. This appears to be an ideal gas law, which means we will want to use the equation. PV equals NRT. Where are is a constant. It is the universal gas constant. We have a couple of different options of values to use for our for this problem. Since we are trying to find our pressure in Tor, I am going to use the value of our that has tor in its units. And that is 62.4 leaders Times tour over mole times. Kelvin being a constant, it has some unique units attached to it. Um, your book going through the derivation of how they got these units? This is gonna be useful because most of these units they're going to cancel out when we plug it into our problem. Going back to our equate our equation PV equals NRT. I'm going to rearrange it to solve for P. So I'm dividing both sides by volume, which leaves p by itself and shows me that P is going to be equal to NRT over volume. All that is left for me to do now is to plug in my values because we have an n and r a t and a V. So now it becomes what I affectionately call a plug and chug problem. We plug it in and chug through the calculation using our calculator. So we have 0.1 point 917 Moles of Hydrogen for N are is 62.4 Leaders Times tour over old times, Kelvin and Temperature is 2 98. Kelvin Yeah, in the denominator we have volume, which is 21.7 leaders. Let's pause for just a moment before we calculate this answer and look at what's going to happen with units. Moles are gonna cancel with moles there. Leader in the numerator of our complex fraction is going to cancel with Leader Kelvin is going to cancel Calvin. The only unit remaining that is not canceling is Tor. So grabbing our calculator and calculated an answer. We get 786 tour for the pressure of this gas, and that's her answer. Thank you so much. Have a wonderful day.

And this question we want to know what mass will be required to produce Given the amount of H. two s. Gas under given conditions. So first of all you determine the moles of H. U. S. That are produced. So we have the leaders of gas as 600 ml. So we have to divide that by 1000 to get the volume and leaders Add 273 to the temperature in°C. to get the temperature account And use PV equals NRT plug in the known values and the correct value for our or just solve for bowls of H. two s that were formed. So now we have the moles of H. Two S. Form. So since we know the moles of H. Two S. Farm, we can convert that to the mass of the sulfur. So we are going to use the balanced chemical reaction. We see that from the balanced chemical reaction one mole of the essay gives us eight moles of H. Two S. So therefore we're going to use that to convert from moles fish to us moles of S. A. And then we're going to prefer to the massive essay. Bye. You think the Solar mass of the S. eight. So we're just doing eight times the atomic mass of sulfur to get the molar mass. And then we end up getting the mass of the sulfur that we need

Hi, guys. Let's solve the problem. I have 0.26 here. A simple southward. Hamza Kouri. Yes. Place 9.1 liter at 1 19 Didi sashes. If we assume that the pressure remains constant What number? Gin incenses is needed to reduce the volume to 2.5 liters That strike down. What given? Given intention. Polio is nine point. Bleedin ignition. Temperature is one day. You said she is. And finally wounding is stupid. Fine. Peter, we need to find out. What is that? By definition, I didn't guess Law sees. Maybe we could do. In this case, we know pressure is fixed. Dis constant number of moves is constant and the gas constant is constant. And you need to figure no. What is going to be the temperature when the organ reduced. Therefore, we can, right? Everyone run to you. I'm going to run to and really defined what it is. They're home. Two, please. Do you own notified by people divided by the corn? No. Do you want these when they engage first too? 73. And all you do is 2.5 Peter. And with one use nine point. Leave him every soul peace. We will find 1 29 Give him. And if we can body to the so she is his skin. Then we will find negative run 43 three, which is a bit they won't give us Lucious. So maybe to her home to four divisions, he's the final temperature.


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