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= 3 %jdungon 8 2 80.0 pressure mL {JJ0 N 01 gas Ks' torr a5d tber and V What decreased t0 IS the new...

Question

= 3 %jdungon 8 2 80.0 pressure mL {JJ0 N 01 gas Ks' torr a5d tber and V What decreased t0 IS the new

= 3 %jdungon 8 2 80.0 pressure mL {JJ0 N 01 gas Ks' torr a5d tber and V What decreased t0 IS the new



Answers

The pressure on 648 mL. of a gas is changed from 772 torr to 695 torr. What is the volume at the new pressure?

In this question. We have 56.44 leaders of gas at two a. T. M. And 3 10 Calvins, and it is compressed to 23.52 leaders and 281 Calvin's were asked with the new pressure was would be so just all this word used the combined gas law, which states that p one times be won over. T one is equal to p two times V two over t two So r p one is Teoh a T m. A. Times B one is 56.44 leaders over 3 10 Calvin P two is what we're looking for. V two is 23.52 leaders Wilbur to 81 calving. So if we do this map, uh, two times 56.44 divided by 3 10 is 0.364 a t m leader over Calvin. That is equal. Teoh um P two times 23.52 divided by 2 81 is 0.84 leader over Calvin. So if we know, divide that 0.364 by 0.84 we will get peed to equal to 4.35 a. T. M. And the leader Calvin's will cancel out. So there is our P two.

Hi there. This is problem number 53 in which we see pressure volume and temperature all changing while the amount of gas remains constant. So we need to use the combined gas law since pressure temperature and volume are all changing. The combined gas law, like the name implies, is a combination of Boyle's law, Charles law and gala sacks law. And the equation for the combined gas law is P one times V one over T one equals P two times B two over T. Two. Sorry. So let's look at the values that we have and what we're trying to solve for. So I just want to list everything out. P one, V one and T one are the initial conditions, P two, V 2 and T two are the new conditions. Initially we were told that the pressure is 745 tour With a volume of 2.68 L. Mhm. The temperature is heated from 24 degrees Celsius, two, It's now recall that to use any of the gas laws to get the correct answer. Temperature must be in kelvin. So I am going to add 273 to each of these values to change to Kelvin. T one ends up being 297 Kelvin while T two Is 648 Kelvin. So heating this up quite a bit. The new pressure Is 765 tour. He and we want to know the new volume here. Okay, so we have everything Laid out here. We have the equation. We just need to put these numbers into the equation and solve for V two. So we have 745 tour Volume is 268 leaders, T 1- 97 Kelvin. The new pressure 765 tour Yeah, V two is what we're trying to find and T two is 648 Kelvin Right to solve for V two. We're going to multiply both sides by 6:48 Kelvin. And we're gonna divide both sides by 765 tour to get V two by itself. So, grabbing our calculator doing those calculations, we get a new volume A 5.69 leaders. Yeah. And that is our final answer Yeah.

So this is a Boyle's law calculation. P one B one equals P two V two. We re arrange it for the new volume. Then p one B one over P two is equal to be to. The original pressure was 762 tour original volume. 26.7 leaders than the new pressure is 385 tour. And so the new volume then carried out a calculation would be 52.8 tour and the volume increased as expected as the pressure decreased. Then when we increase the pressure, we should decrease the volume. However, the pressure, the second pressure was given to us in unison atmospheres. So we need to convert it to units of tour so that the tour units will end up canceling. Then we get 7.27 leaders, and as expected, the volume did decrease as we increase the pressure

Christian number 42. The example of Krypton gas occupies this volume for that. So it's 6.681 liter. So I valued as we want on temperature. T one is given like 60 42 successes. I added 273 in order to get helping temperature and people or the pressure in the first day is given 3. 61 door and then it is going to expand into week two. 98.99 Later the temperature is changed. This like increased. So now again, I'm going to write to 73 to get the can be temperature. And we too we don't know. You have to figure it out. Since all of these parameters are changed volume, temperature and pressure You have used the combined gas law. That means we won. We won. Divided by t one equals toe do me too divided by t two so toe find the picture you can It's all this equation so that you will hit this particular equation on. Then you're going toe Substitute all those values here on his killing to Calvin on leader to leader cancels out, giving you the answer indoor, which is three or eight sc he to pressure


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