Youtube daily report Dec 5 2018

The mole fraction of a gas consists of the moles of that specific gas divided by the total moles of the gas mixture.

This page is part of my Gas Laws Guide which teaches you how to use each gas law using step by step examples,

it can also help you avoid common mistakes and cut your study time in half!

To get this guide, you'll find the link in the description box.

Now we'll apply this formula in 2 different examples,

one finding the mole fractions when given the mass

and the second finding the mole fraction when given the partial pressure and total pressure.

Example 1: A solution is prepared by mixing 100.0 grams of water

and 100.0 grams of ethanol. Determine the mole fractions of each substance.

We can use our mole fraction formula for either a gas mixture or in this case a solution.

Since we are finding the mole fractions of each substance, we will alter the mole fraction formula

for each specific substance of water and ethanol.

We'll start by converting the grams of each substance to moles.

To do this we will find the molar mass of each substance.

For water we have 2 hydrogens multiply that by the mass of hydrogen and we get 2.02

and there's only one oxygen so our mass is 16. Add all these up to get the molar mass of water.

Align the grams so they can cancel and place 1 mole of water on top and we just found our moles of water.

Now let's find the molar mass of ethanol. There's 2 carbons, multiply 2 by the mass of carbon and we get 24.02,

now for the hydrogens we have 6 multiply that by the mass of hydrogen and we get 6.06 and there's only one oxygen so our mass is 16.

Add all these up to get the molar mass of ethanol which is 46.08 grams per mol.

We'll place the grams of ethanol we just found on the bottom since we want the grams and grams to cancel, and 1 mol of ethanol is left on top.

And these are our moles of ethanol.

So far we found the moles of each substance now we need the total moles of the solution.

To find the total moles of the solution we will add up all of the moles of the substances in the solution.

Adding the moles of water and moles of ethanol will give us this.

We'll place our total moles of the solution in our formula, divide each and we just found each mole fraction.

Note: mole fractions do not have any units since the moles cancel out.

Example 2: The partial pressure of F2 is 300.0 torr in a mixture of gases where the toal pressure is 1.00 atm.

What is the mole fraction of F2?

We will use a different formula this time since we are given our partial pressure and total pressure.

Before plugging everything into the formula, always make sure to check your units.

Both pressures are in different units, we need them to be the same so you can either have both pressures be in atmospheres or in torr.

I'll choose torr. Remember that 1 atm is equal to 760 torr.

So our total pressure can be rewritten as 760 torr.

Now that all the units are the same we will plug everything into our formula and solve for the mole fraction.

Divide both sides by 760 torr and our mole fraction is this.

But we need to round up to 3 sig figs since our lowest given sig fig value was 3.

And this is the correct mole fraction.

Click here for more help with partial pressures,

click here for a complete guide on everything gas law-related

and check the description box for my recommended resources on online tutoring and homework help.

And remember stay determined you can do this!

For more infomation >> How to Find the Mole Fraction of a Gas - Duration: 3:44.

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Island residents could have dog park soon - Duration: 0:25.

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上司の理不尽なやりとりでイライラしない心を手に入れる方法 大宮 整体 - Duration: 9:29.

Hi my name is youhei ozaki. Thanks for watch this video. This time talk about how to decrease the getting annoyed by unreasonable thing of work place.

For example,get work from work boss. After that work status is change and,boss get angry into you about that work. This is so unreasonable thing.

Maybe almost people feel unreasonable. Case that you worked as instructed,normal is pleased. If there is do thing like same in your work place,i think abnormal that work place.

But i am knowing method that decrease annoyed feeling. That method is two point there. It is point that can to watch consciously self condition. And one more is experience.

To watch consciously self from the third party perspective is so important. For example,if you lose one's temper by angry,can't watch calmly self condition. Maybe you can't feel the sense of other person when that.

There is not margin to understand self condition. Your head inside will be situation like that. I hope you watch that situation from third party perspective. This is the talk consciously.

"I am feeling angry when i received the unreasonable talk from my boss."

Time of that situation,to get this sense soon is important. But now is not that time. Please feel this sense when happened unreasonable thing.

What is that advantage? You maybe ask this question. Simple answer is to stress decrease.

One more reason is there,if you can to feel many emotion,you can to feel the longness of one day. Childhood is many stimulation there. Then child can to feel one day longness by that many stimulation.

But almost adult people is predict the people's reaction. Into this is no stimulation there. Case that do thing by predict,you may feel no stimulation.

If there is no stimulation into your life,your one year is so fast. This relate the no activity action. It had better feel angry emotion like that or worrying emotion. You can to feel fulfilling days by many emotion.

Then,experience of second reason. This experience is to it does not go as expected. This experience is be enrichment your life.

For example,there is person that look like weak. Many people watch that person and feel no angry. This is first impression. If things go forward as expected,you can't receive stimulation. But case that person come out angry,you can to receive many stimulation.

I recommend to involved with person that not as expected. There is that level. A little only,please meet person that different with self expectation reaction.

A weak-looking person was strong,etc. If influence that meet with person like that is increase,you don't feel angry by unreasonable talking. Almost case,people become angry by it does not go as expected.

The tolerance on that will expand. Even if your expectation become fail,you can to get restful feeling.

Please gain experience that exception become fail. Please increase that stimulation little by little. It is OK with once a one day. Please judge that is it a good stimulation for me.

Please try it. Thanks for watch this video. See you!

For more infomation >> 上司の理不尽なやりとりでイライラしない心を手に入れる方法 大宮 整体 - Duration: 9:29.

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S. Korea's FX reserves hit US$ 402.9 bil. in Nov.: BOK - Duration: 0:31.

South Korea's foreign exchange reserves edged up in November to 400 2.9 billion

u.s. dollars the bank of korea says the country's reserves went up by 240

million dollars a month due to the weaker greenback which in turn raised

the value of the BOK x' assets in other currencies as of the end of October

South Korea had the world's eighth largest FX reserves with China as per

usual topping the list

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Whats In My Wallet - Duration: 5:13.

What's in my wallet? Duane here with how to build credit TV and in this video I'm

gonna be talking about what's currently in my wallet. This little thing here is

my wallet so that's what we're gonna be talking about in this particular video.

But before we get started I have a quick message.

Once again my name is Duane with how to build credit TV and on this channel we

talk about everything you need to know about credit, credit cards and how to

make money using credit cards. As a matter of fact I was able to make over

$1,700 using one credit card. So if this sounds like something which you're

interested be sure to subscribe to our Channel and click that notification bell

so you don't miss a thing. Okay so when it comes to what's in my

wallet I decided to go ahead and get a minimalist type of wallet here. It's

really like a card holder it actually comes with a strap where you can put

your cash on it but I was like I didn't like the strap. I liked how this looks

and the fact that this is clean and simple and it has your credit cards in there

just like that and your credit cards pop up. So in this wallet currently I'm gonna

basically talk about the four credit cards that I have in my wallet right now.

So the first credit card that I have that's up for everybody to see in the

front is the Amex gold card. So this is in my wallet because I just got this card

and I want to make sure that I'm putting all my spending for the most part that's

food related whether it's dining out or groceries is gonna go on my Amex gold

card. This card right here so this card is pretty important and like I said I

want to make sure that I put spending on it so that I can accumulate a lot of

points. So when I'm ready to redeem it for travel I have no problems and I have

a lot of points from which to choose to redeem it for flights or hotels so I

pretty much can redeem it towards anything pertaining to travel. So that's

why I have the Amex gold card in my wallet currently. The next card that I

have in my wallet is the American Express blue card. This card right here

you can't see it very clearly because it has all my information on it but I have

this card in my wallet because currently on this card I have quite a bit of cash

back that I've accumulated. And I want to spend it because of course christmas is

coming up and I have to buy gifts my kids. So I have this card in my wallet

because I have a lot of cash back on it and I'm gonna buy some gifts without

actually using my money so that's kind of cool. The next card that I have in my

wallet currently is the Bank of America cash plus or the cash rewards card from

Bank of America. And you can kind of see it here has my name right there in the

front so this is the cash rewards card from

Bank of America. And the reason why I have this card currently in my wallet is

because I also have some more cash back that I need to redeem on that particular

credit card. I got the credit card and I spent $500 and I got $200 back as

a sign up bonus for spending $500 within the first 3 months. So I currently have

$200 on my Bank of America cash rewards card that I'm gonna use so it's in my

wallet because tis the season. The last card that I have in my wallet and my

favorite card currently is my Discover card.

Now the Discover Card I have this in my wallet because I do the majority of my

spending on this card because Discover card matches all the cash back that you

earn during your first year of membership. So that's pretty much the

cards that I currently have in my wallet. I don't really use a lot of them I

basically just use the Amex gold card and my Discover card so that's currently

the cards I have I'm just gonna show you guys again real quickly here. So that you

can see these four different credit cards that I have currently and that's

what's in my wallet. And I'm just trying to see if I can

cover up my information here. Alright so here you go so these are the four credit

cards that I have currently in my wallet as you can see. I hope you guys can see

that if you can't see it I'm sorry but that's currently what I have in my

wallet. If you have any questions about any of these cards or if you're

interested in any of these cards there will be some link below the video in the

description. Especially for the Amex gold card that makes blue card and as well as

a Discover card. If you're interested in getting those cards use the link in the

description below it helps our channel quite a bit. Thank you so much for

watching this video about what's in my wallet. If you have any questions please

feel free to leave them down below and I'll answer it as soon as I see it. If

you liked the video please be sure to give it a thumbs up it helps our channel

quite a bit. And if you haven't subscribed to this channel consider

subscribing to the channel because on this channel we talk about everything

you need to know about credit, credit cards and how to make money using credit

cards. So if this sounds like something in which you're interested be sure to

subscribe and click that notification bell so you don't miss a thing. Once

again my name is Duane with how to build credit TV and I approve this video.

I'll see you in the next video. Until next time take care and be blessed.

Peace!

For more infomation >> Whats In My Wallet - Duration: 5:13.

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Top 5 Circular Saws: Toolsday - Duration: 11:04.

hey what's up guys it's Kyle from our our buildings back with another tools

day and today we're gonna answer a question that I get all the time so

let's get right into it

hey what's up guys so we have today for you my circular saw top 5 and these

aren't like a reviewed top 5 these are just what I use everyday out on site

it's what me and the guys have come to call our standard saws after using a ton

of saws okay so I literally have probably a dozen saws and these are the

ones that we actually use everyday the other ones they kind of sit around and

they are secondaries in case something breaks or if we just forgot a saw and

need something back at the shop so that's kind of Handy what I'm gonna

start with is probably my most favorite saw I've had this saw for quite a while

maybe not just this saw I think I'm on like number 5 and maybe they've been

dropped maybe they just stopped working for whatever reason but I just love it

it's the Milwaukee six and a half blade left now you might be saying what's a

blade left well blade left is when you're looking at the saw as you can see

the blade is on the left side of the tool I'm a huge fan of blade left I like

to cut with my right hand and I like to visually see where my blade is now there

are some blade right saws that work good for that and I will get into that later

but this saw for me is my favorite and I'll tell you why first off because I've

always been a Milwaukee fan second off it's a simple m18 battery and I know

that that battery platform is gonna be around for a long time because Milwaukee

has committed to that m18 especially with the announcement of their new heavy

duty line of the 1206 so high output batteries so I know it's gonna be around

for a long time and I'll be able to buy this saw second off it's fairly

lightweight now it's only got a six and a half inch diameter blade but to me

that doesn't really matter because for what I use this for mostly is cutting

two by six you can get through any to buy all the way up to a 45 degree bevel

so that tells me like really it can be used for just about anything out on the

jobsite it's got a decent rafter hook that lets

me take it up into the building maybe wherever I'm climbing around and I know

it's gonna be safe and it's lightweight so that is why I use this saw almost 90%

of the time that saw is about a hundred ninety-nine

bucks Behr tool so it's you know comparable to about every other saw on

the market I take that back I think you can get it a lot cheaper I'll check that

out and put that down in the description below if you're interested now the next

saw that I'm going to talk about is far from lightweight it's the DeWalt flex

volt rear handle seven and a quarter blade left so once again the reason I

gravitate towards this saw is because it's blade left it has an even deeper

cut capacity so if I need to get through bigger material it's gonna allow me to

do like let's say if I have to cut a laminated column that we're using on our

buildings I can use this with two cuts one from both sides and get through what

I need to do so I do bring it out for that sort of process when we're making

up our columns on-site but what I also like about this saw is it's super

powerful like it is very powerful it can get through just about anything if you

get those warped nasty two-bys that yeah you're trying to cut a rafter tail along

for 12 pitch on this is gonna be the saw that's gonna work you do not want to

carry it around it's heavy and you're gonna get tired real quickly so usually

I like to use this on the ground on a pile umber and I like to just always be

cutting down it's just let the weight of the tool do its job now you might be

saying Kyle why don't you you like the makita rear handle I love the makita

rear handle if I'm being honest I think it probably performs a little smoother

just something about the makita motors are super smooth but I don't have a ton

of makita batteries and the flexible is one battery it's 160 volt battery versus

the makita you got to put two 18 volts to get that 36 volt power that to me is

really the only major downfall otherwise I think it's a great saw so either one

of those you guys might enjoy I'm just a Dewalt guy because I the battery like

really that's probably my only major reason now that Dewalt kit is about 350

and that's gonna get you your battery your saw your charger so it's a little

bit pricier now most people are not going to

need or be required to use something that large or that powerful but for the

people out there that are doing it for their everyday profession the rear

handle is awesome a lot of people say that the DeWalt doesn't last as long I

genuinely have not had an issue with battery performance but I don't sit

there and cut a whole house at one time so I put one battery in the day and I'm

perfectly fine now the next song I want to talk about is a blade right saw and

it's the makita this thing just came out so they sent me this and I've been using

it and I really love it for its speed like when you fire this thing up I

usually break this saw out for ripping and I'll tell you why I'm okay using a

blade right for ripping because when I'm using this saw I like to run down the

side of the like a sheet of plywood this thing will just like tear through

plywood like nobody's business it's very reminiscent to the makita Sidewinder

that you see on a ton of production framing sites so a guy that maybe has

been using that his whole life the corded version is really gonna love this

saw me personally I love my blade left for all my to buy cutting but when it

comes to plywood ripping or even if I have to rip down a 2 by 2 a certain

dimension this saw usually gets pulled out once again it's got the two

batteries so you got to have two Makita batteries charged up but it's hard to

explain it's super smooth my visual is not like you know amazing because it's

not I'm not looking at the blade I've got to kind of look through here but it

really does work well and it's very comparable to the Flex volt seven and a

quarter right blade I just would choose this over that because it feels very

much more refined and smooth when you pull that trigger now we're gonna go to

the last framing saw that I really like to talk about and that's the new Makita

subcompact and the reason I love this like Makita if you're listening make

this saw like identical blade left and I swear you will sell like you will sell a

ton of them this saw is super lightweight I think it's like five

pounds or something like that with a two old battery I think they're claiming

like three hundred and fifty cuts on a 2o battery

in two-by-four material like it lasts forever it doesn't have the magnesium

base it's got an aluminum base I do like magnesium for the durability and the

weight but aluminum is great too there's a couple things I don't really like

about this saw I just feel like a lot of the a lot of the tightening levers are

just loose all the time so it always feels like it's just not cheap but like

oh I didn't tighten that enough no it's tight it just has like a weird jiggle to

it but I do like the dust extraction so you've got the dust extractor hook up

here if nothing else it just shoots it away from you a little bit better than

that six and a half blade left and it has a really good visual like you can

see your blade so I'm still gonna be cutting with my right hand with this saw

but I can see a lot better so I usually keep this thing in my shop because I can

hook it up to a dust extractor real easily and not get that dust blown

around my shop another feature about this that I like is it does have that

auto speed ramp up technology so when you need it it does draw more power to

get you through your material a little bit easier you can put a rafter hook on

this thing too so that's a nice feature but it doesn't come with a rafter hook

but man I'm telling you when this thing you get this thing all like dialed down

look how tiny that is Makita did a great job with the battery placement and I

just can't say enough good about this saw but if it was blade left I would

probably use it all the time now the last saw that I'm going to talk about is

not for cutting wood it's the circular saw that I used to cut through metal and

mainly if you guys have followed along on the Instagram feed you know we do all

of our buildings on concrete piers or concrete walls which require us to have

a metal bracket that metal bracket sometimes has to get cut off whether it

be on a corner a jam column or whatever sometimes we cut them in half and you

could use a grinder but that is far less safe than using a circular saw and when

you throw a Diablo steel demon blade on this Milwaukee saw it's like cutting

butter it's amazing how well it cuts how clean it cuts and how cool

cuts so that's what we use this for all the time and it's really sped up that

process and I think made it a lot safer nobody wants a flying disc to come hit

them in the face so there you go guys these are the five saws that I use on a

daily basis you can look at them they've been used they've been abused and

they're not all the same color they've all been sent to me except for

the Milwaukee I bought that Milwaukee and I've been buying those Milwaukee

since I first used the Milwaukee fuel line I've got like four of them I said

but even though these were sent to me I'm not required to tell you anything

about them there's like a no strings attached they just want me to use them

and lucky for these brands these are the ones that I have fallen in love with the

guys like on site and these are the ones we use every day so I don't know if this

helped anybody out there but I wanted to you know kind of show you guys what I

use because I get a lot of those questions like what's your favorite

circular saw and it all depends on the application and what you're doing

because not one saw what I say I want for everything some of them are small

some of them are big some of them are powerful some of them are nimble so

there's different features and you got to look at what you're going to be doing

in order to determine the best saw for you now if you got any questions or you

want to get higher recommendation or more a little bit more in depth go ahead

use that comment section down below and I will do the best to answer all of

those questions but that's it for today's Tuesday video it's great to be

back with you guys and hopefully you go check out some of the other videos that

I've been doing I just started a new build series mancave that we're gonna be

building for our client and hopefully you guys enjoy that so appreciate all

the support and we'll catch you guys on the next episode of tools day probably

next Tuesday

For more infomation >> Top 5 Circular Saws: Toolsday - Duration: 11:04.

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Jaden Smith / Wiz Khalifa Type Beat [[Prod. Asa]] "Buddy" (2019) - Duration: 2:10.

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