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Wednesday, October 13, 2010

About How do you use the henderson-hasselbalch equation to calculate changes in pHHow do you use the henderson-hasselbalch equation to calculate changes in pHHow do you use the henderson-hasselbalch equation to calculate changes in pH

How do you use the henderson-hasselbalch equation to calculate changes in pH?
im trying to work out the answer to this but i keep getting stuck..can you please explain it in a really *simple* way? The pH of a buffer solution made up of acetic acid (0.100 mol L-1) and sodium acetate (0.100 mol L-1) is 4.76. How much will the pH of this buffer change if 100 mL of 0.100 mol L-1 HCl is added to 1.00 L of the buffer solution?
Chemistry - 1 Answers
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1 :
The added acid will protonate the acetate, thus lowering its concentration. The acetic acid concentration will rise. We needed to determine the moles of Ac- and HAc present before adding the HCl. Both are 0.1 mole. You may verify this. we added (0.1 L) (0.1 mol/L) = 0.01 mole of HCl. Therefore the HAc goes from 0.1 mol to 0.11 mole and the Ac- goes 0.1 mol to 0.09 mol. Notice that the total volume rises from 1 L to 1.1 liter. This will create new molarities, but I will ignore the molarity calculation. This is because the ratio portion of the H-H will work just fine with the mole amounts. pH = 4.76 + log (0.09/0.11) gives the answer.


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Wednesday, September 15, 2010

About Where can i get my playstation 3 fixed in henderson nevada

Where can i get my playstation 3 fixed in henderson nevada?
the audio and video just stopped one day, i got new cables and that didnt work so i think it might have bee something with the fan inside it... help?
PlayStation - 4 Answers
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1 :
You have a one year warranty from sony when you buy your PS3, just call up sony customer care and they'll replace it or fix it for free.
2 :
call sony tech support
3 :
you got a year warranty so call sony and get it replace why spend money on something that you don't have to spend give it to me i'll call sony and i'll charge you about 100 bucks for calling and sending your ps3 to sony tech:D


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Monday, September 13, 2010

About How can I get this to work, could use some tips

How can I get this to work, could use some tips?
I have asked this a few months ago but I could some tips from people who may have done it before. How I attract birds into building a nest where I live? Our Town-house has a balcony that seems pretty safe(well it looks safe to me) but what I wanted to know how do I get birds to build a nest here? I don't have a birdhouse or bird feeder, most of the birds that live around here are Grackles, Pigeons and a few Sparrows. I live in Henderson, NV(in short I live in Las Vegas). But how do I attract birds into build a nest here without a birdhouse? No jokes or wise cracks please, but I would like some advice from someone who has done this before.
Birds - 4 Answers
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1 :
Check out www.animalplanet.com. They have a program on I believe Saturday or Sunday morning about how to attract animals to your garden. I'm sorry I can't remember the name of it but you'll recognize it when you see it on the website because it says something about the back yard or gardens....something of that nature (oh, no nature pun intended). Good luck.
2 :
First you should make sure that the balconey is not too visited by humans .. in other words it is neglected second I think is to buy bird food and put the food where you want the birds to nest .. and keep putting food on regular basis .. and try to make the place secure .. and then when it is time to nest (different birds nest on different times) try to put some stuff for the birds to use for their nests .. and try to put it in the place you want the birds to nest .. maybe even try to create a nest or so .. anyway the bird will do it all over again but still you would have tried to help hope this will work
3 :
Hi all , Im here to introduce a new pet forum , paws'n'pets. With pet staff and a forum for every possible pet it is a great site for pet enthusiasts to relax and chat about there dogs , reptiles , horses , cats , goats , and much much more! The forums contain helpful advice ,jokes and laughs aswell as general chat and stories. The forums are free to join and each member is welcomed with opened arms by all. the website adress is : http://www.pawsnpets.co.nr I hope to hear from you soon .
4 :
that would be cool if i could help you but i can't sry


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Sunday, August 15, 2010

About I need an address of donation toys for my children in Henderson Nevada

I need an address of donation toys for my children in Henderson Nevada?
We already went to Salvation Army ,Southern Help Nevada and they told us it was to late.I am a single mom of three wonderful kids, I'm not in welfare and I dot have childsupor. I work to pay my bills and rent.
Community Service - 1 Answers
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1 :
I don't live in your area, but I would suggest calling local churches. Find a phone book and call some of the churches listed, tell them that you are working hard to take care of your family and you just don't have anything left over for Christmas presents for your children. You may be able to find a church that will help you out. I will pray for you!


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Friday, August 13, 2010

About Will a hotel hire a felon to work as a chef

Will a hotel hire a felon to work as a chef ?
I really just wanted to know if someone can work in a 5 star restaurant or hotel, like that guy Chef Jeff Henderson ? I was the Head chef for major hotel in Las Vegas and he has a felony, is it normal for corporations and large restaurants to hire felons to work in the kitchen?
Food Service - 2 Answers
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1 :
Its possible I suppose. Never been in that position. I would ask for an interview, and explain the problem.
2 :
Yes. Your question is not IF large corporations hire often or generally convicted criminals but rather do the companies employ felons, so yes. You can be a felon for many many many reasons. You get a sentence and the record stays. So I ask you; who makes your fries at the local drive thru? who washes your car? who changes the tires? who sweeps the roads and cleans trash at local parks? who works at a gas station? who is a professor at a college? who has been your stock broker? Hello! Bernie madoff was making millions and his crimes were daily events. President Clinton? You better beleive that adultery is a felony in federal court! What about if someone has taken roofies/pills/acid/weed/coke? they get felonies. So many famous bands are full of felony charged criminals! Seems a job requirement! What about housekeeping? what about fronst desk? what about management? these jobs are important and have felons working in them too! The point is that felons are humans, and humans are falliable. Many companies can hire a felon and often the person doing the job is a pretty safe bet! Hate to be the one to break it (o.k. I don't care one bit but the sarcasm laced sentence is nice) to ya but the world is full of criminals, want them to be branded with thier crime on thier forehead like some soceities have done in the past? write a senator your detailed expectation and vote for people who will support your ideals. Plainly put some felons are very dangerous but many are just people who made very careless self destructive chioces and they got caught, then they didn't afford a lawyer who could get it erased through a good game of verbal and paperwork chess and paid for it with a record for life. Felons are a safe bet for jobs from the stand point that you can always hang the problems of possible failure on thier past, you can pay them a little less if the competition is looking for high wages (fine print generally allows a company, especially a large one to hire a less qualified employee, i.e. one who is a "risk" for a "competitive wage" wherein if the employee takes the offer of a much lower salary then many in that market make, it is a binding contract on both sides and entirely legal and fair free market capitalism.) and you can end up with a very loyal and effective example of humantarian grace. A lot of big companies like hiring felons, makes them look progressive and open minded, gives them more money and less daily cost ratio and generally they never have to tell the customer about the employees past as it is confidential and is illgal to disclose most of those details due to labor laws and hiring laws. How's that bee in your bonnet? Especially since that employee could have been former armed services, or have great training and a personal drive that far outweighs someone just looking for the daily paycheck. Companies know that the risk of a felony is calculated but at least they know the values, with someone who has no record they are shooting a dice cup, with a recorded criminal they have a good knowledge of the nature of the person general weaknesses and know that the person looking for a job has learned to master those problems. From a business stand point it's pretty win win. Especially for hard to fill positions that require intangible skill. My question is not if they hire, but do they hire felons who have skills in poison distribution and is it in the ordinary transport or is it in the creation of the substance because both are a general type of charge I'm betting and they might not show the exact nature of the act. I preferance a convict who has nothing to do with poisons making my cornbread and steaks.


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