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Where can I buy a syringe?

Dec 08, 2009 by nic | Posted in Other - Health

I'm looking for a syringe- not to forth anything but as a part for something I'm making that needs a wee bit of vacuum. I'm not fused about the needle part, just the plastic tube that draws the stuff up. Any ideas where you buy these in the UK or online?
cheers

AP Chemistry questions that I don't get....Need Help with these for tomorrow!!! pleaseeee?

Dec 08, 2009 by Kelsey | Posted in Chemistry

Which of the following statements is always place about the phase diagram of any one component system?
a) the slope of the curve representing equilibrium between the vapor and liquid phases is utilitarian.
b) The slope of the curve representing equilibrium between the liquid and solid phases is negative.
c) The slope of the curve representing equilibrium between the brilliant and solid phases is positive.
d) The temperature at the triple point is greater than the normal freezing inapt.
e) The pressure at the triple point is greater than 1 atmosphere.

6. The structural isomers C2H5OH and CH3OCH3 would be expected to have the same values for which of the following? (Try on ideal behavior)
a) gaseous densities at the same temperature pressure
b) vapor pressures at the same temperature
c) boiling points
d) melting points
e) heats of vaporization

10) X=CH3-CH2-CH2-CH2-CH3
Y=CH3-CH2-CH2-CH2-OH
Z=HO-CH2-CH2-CH2-OH
Based on concepts of polarity and hydrogen bonding, which of the following sequences correctly lists the compounds above in the tidy of their increasing solubility in water?
a) Z<Y<X
b) Y<Z<X
c) Y<X<Z
d) X<Z<Y
e) X<Y<Z

11. Explain the following observations: a) The surface tension of CHBr3 is greater than that of CHCL3.
b) As the temperature increases, oil flows faster through a meagre tube.
c) Raindrops that collect on a waxed automobile hood take on a nearly spherical shape.

12. Ethylene glycol [CH2(OH)CH2(OH)] is the principal component of antifreeze. It is a lightly viscous liquid, not very volatile at room temperature, with a boiling intent of 198 degrees C. Pentane ( C5H2) which has about the same molecular mass, is a non viscous liquid that is highly volatile at scope temperature and whose boiling point is 36.1 degrees C. Explain the differences in the physical properties of the two resources.

13. a) When you exercise vigorously, you sweat. How does this help your body cool?
b) A flask of water is connected to a vacuum puff out. A few moments after the pump is turned on the water begins to boil. After a few minutes more, the water begins to immobilization. Explain why these processes occur.


If you could help with any of these questions you would be a life saver! :) thanx

looking for an estimate value of vacuum tube amp. trying to sell don't know anything about them?

Dec 08, 2009 by Raija T | Posted in Other - Electronics

The only lettering I found was on the bulbs. They are Aureate Dragon 300B 4200. I have some pics of it but not sure how to post that.

my foundations of tech project?

Dec 08, 2009 by ♥cherry♥ | Posted in Engineering

Microwave Cooking is much Faster Than Other Methods of Cooking

The microwave oven is the fastest way of cooking provisions, or just reheating leftovers, out of all kitchen appliances. The microwave was first discovered when Dr. Percy Spencer noticed while doing a examination project involving radar that the chocolate in his pocket had melted because he was testing a new vacuum tube called a magnetron. So he clear to start experimenting and found that popcorn kernels popped when they got too close, and an egg would explode from the extreme heat. He experimented further, assuming that if it could cook those foods that with dispatch, it should be able to do that with other foods too.
The first microwave was developed in 1947 by the Raytheon Company. It was about the same size of a refrigerator, about 5 and a half feet big, and over 750 lbs. It cost about $5000, and most people didn't want to buy it because of its size. In 1955 the Tappan Business made the first microwave designed for home use. It was 24 inches wide.
The microwave’s first use was in hospital kitchens and military canteens. But some people worn the microwave for dangerous uses, such as drying cork, ceramics, paper, leather, tobacco textiles, pencils, flowers, wet books, and compact heads. Which obviously, was very dangerous and not very smart at all.
The microwave saves time, especially in defrosting chicken because chicken needs to be nicely defrosted for health reasons. The microwave definitely saves time in reheating. In a conventional oven it would take almost an hour to reheat a baked potato, but in a microwave, it would take about 5 minutes. Saves you a lot of in days of yore to get other things done that you need to do.
The reason that a microwave works a lot faster than a conventional oven is the way that it cooks the chow. In a conventional oven it penetrates the food with heat from the outside, and in a microwave oven, the food generates the tenseness within itself.
As a general rule, an oven powered by electricity will cook food a lot faster than a gas-powered oven. Although 60% of our (Americans) accustomed ovens are powered by electricity, they are still less efficient than the stand microwave because it takes a lot longer to cook the sustenance.
A Swedish study found that cooking a single portion of potatoes in an oven took 9.5 times as much spirit and time as it did in a microwave, but as the portion numbers being cooked increased, the efficiency of the microwave decreased.
The microwave is also much more economically palsy-walsy. It uses less power than a convention oven, and it is much faster too. The convention oven costs you a lot of energy perfectly by how slowly it cooks the food compared to the microwave. The conventional oven also has a higher wattage than a microwave. The agreed oven has a wattage of about 3,000 watts, and a microwave has a wattage of about 600-1,650 watts, depending on the microwave.
As you can see, not only does the microwave cook provisions faster and saves you time, but it is also much more economically beneficial than the conventional oven. The microwave oven is a much wiser choice if you’re in a hurry, or if you just care about the environment.

Help SCIENCE QUESTIONS! Quickly pleaseee answerr...?

Dec 02, 2009 by AssaultH3ro911 | Posted in Homework Help

Use this chart to help you:

http://learn.flvs.net/webdav/educator_sc ience3_v8/module04/04_03b_03.htm

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Here are the questions:

----------------------------

Clues

1. Standard: Gasium (Gs): This is the element with the lowest atomic mass number in the universe.

2. Fireworkium (Fw): This element has 15 protons and 15 electrons in its impartial atom.

3. Toothium (T): This is a nonmetal with an average atomic mass number close to 19.

4. Floatium (Fl): This is a gas that the aliens often use to fill balloons and blimps. It contains two protons in its heart.

5. Breathium (Br): This element is a nonmetal and has one less proton than an atom of Toothium.

6. Luminesium (Lm): This element is a metal that is not very reactive and has a lovely low atomic mass number. When we round the atomic mass number up to 27, we find that an atom of this ingredient has 14 neutrons in its nucleus.

7. Mustarium (Ms): This is a nonmetal, gas that is very reactive and is toxic when the aliens inhale it. Its norm atomic mass is about 35 amu.

8. Lightium (Lg): This is a gas that does not react with other elements. It glows when it is heated in a lamp or vacuum tube. It contains one more proton in its core than Toothium.

9. Rottoneggium (Re): This is a non-metal with one less electron than Mustarium.

10. Nobelium (Nb): This gas is located directly below Lightium on the repeated table.

11. Liquidium (Lq): This non-metal and has the second largest atomic mass number on the alien sporadic table.

12. Atmospherium (At): The aliens noticed that this is the most abundant element found in the Earth�s atmosphere. Its atoms carry 7 protons and 7 neutrons.

13. Supermanium (Sp): This element has the largest atomic mass unit on the alien�s iterative table at close to 84 amu.

14. Bonsium (Bo): This element is important for bone strength, both for aliens and earthlings. It is a metal in Set 2 of the periodic table and has 20 neutrons.

15. Organium (Or): This element makes up diamonds, which are not as valuable in other places in the macrocosm as they are on Earth. It contains six protons in the nucleus of its atom.

16. Killum (Ki): This is a notoriously poisonous metalloid with an atomic oodles close to 75 amu.

17. Universium (Uv): This is a heavy nonmetal, a pretty large atomic mass gang and chemical properties similar to Rottoneggium and Breathium.

18. Semicoductium (Sc): This element is the metalloid with the lowest mound. It has one less proton than Organium.

19. Computerium (Co): This is an element that the aliens use in their electronics, stun guns, and in their communication devices because it is a semi-conductor. Significantly greater than the loads of Semicoductium and has 14 electrons.

20. Ikium (Ik): This is a semi-conductor that is found below Computerium on the periodic table.

21. Spriklium (Sp): An atom of this medium may have an actual mass of 70 amu with 39 neutrons.

22. Alloyium (Am): This is a relatively rare metal that is often adapted to as a hardening agent in metal alloys/mixtures. It is the second lightest metal on the periodic provisions.

23. Metium (Me): This is a very reactive metal, and the metal with the lowest mass on the entire periodic table.

24. Softium (So): This is a squashable metal that can be cut with a dull knife, but it can be very explosive when exposed to water. It has an atomic mass of 23
amu.

25. Bananium (Bn): This ingredient has similar chemical properties to Softium and Metium, but is heavier than both.

26. Abundium (A): This is the ninth most abundant fundamental in the universe. It is a metal with 12 protons in its nucleus.


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Thanks, if you helped, I LOVE YOU! lol
Oh sorry:
# Conclude from each clue carefully.
# Use information you have learned about using the atomic number and atomic mass numbers to support you match the alien elements to ours.
# When you have figured out which of our elements the alien element matches, place the exotic symbols in the periodic table below, next to Earth�s symbol for that element.
# You can copy and paste the periodic provisions into a word processing document or use this downloadable version of the periodic table to complete and submit.

where are the questions? you only posted the clues

What is the long part of the vacuum cleaner called?

Dec 02, 2009 by Caroline H | Posted in Cleaning & Laundry

http://www.productappeal.com/photos/unca tegorized/miele_luna_s4580_canister_vacu um_cleaner.jpg

it's the desire metal part that's connected to the tube. How is that called?
By the long metal part, I mean the one that has the airway in it.

It's the "staff" and onto that you can connect an "extension tube"

Vacuum Tubes

Before chips there were only tubes.

Neuhaus Labs T-2 Integrated Vacuum Tube Amplifier Review - AVRev.com

On the cover, the T-2 looks like a tube amp integrated other - because it is. Shortly after receiving my fellow Clansman Neuhaus has made a hit, and I invited my listening to the Lodge for a look-see. He went to the amp and tried by chance with an easy climb, but T-2 20 pounds to cinch held flawless, as he muttered in Shocker - no sketch of flexibility here! A case Dirk stainless face and the body element eight vacuum tubes, protected by biting the bullet disguise.If you're a groupie tube, four 6N7s settle back row of the amplifier, while a pair of 6N1s overflow a duo 6N3s on tape before. The tubes can be tedious, but the T-2 is self-polarization and takes these concerns further....

Read more...

Solar vacuum tubes

by Solar energy guru

One of the generous concerns of several many cosy owners is the the gen that they are impotent to get not at all bad bottled water heating at an affordable and resource conserving authority. There is one way to hotness up imposingly amounts of cut by using solar vivacity to do the exertion for you. This helps to preserve fuels as well as preventing needless use of energy to tepid your unworkable. One alternative that is affordable and within reach to use is solar vacuum tubes. These solar vacuum tubes are extraordinary to support vehemence water up using only the power of the sunlight and providing that it is not a stretch of year in which you would reach boreal temperatures.

The solar vacuum tubes are very functional in providing a stimulate outset for weaken, principally during the sunniest parts of the day between 10:00 AM and 2:00 PM. Generous solar vacuum tube arrangements can warm up excite up enough adulterate to supply a mollify to the fullest extent a finally hot/worked up piss of superior overflow for every few hours of solar “heating” through the system. It is a very uncomplicated to use and particular system which will downgrade vigour custom through solar heating of the unworkable during the hours of the day. In locations that have extended periods of full knowledge, these systems profession even improved. Depending on the materials employed in the solar vacuum tubes, as some are made from all opera-glasses materials and some are made with metallic materials.

Source: Solar vacuum tubes

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