Oil Definition and 552 Threads

  1. C

    How to Determine Charge and Excess Electrons in Millikan's Oil Drop Experiment?

    Homework Statement hello, our task was to go on to this site http://www.wcsyearbooks.com/millikan/experiment.html and then figure out the charge and the number of excess electrons on the oil drop using 5 electric fields. Electric field: 2.7x10^4, 3.1x10^4, 3.6x10^4, 4.0x10^4 and 5.2x10^4...
  2. M

    Removing oil aerosols(mist) from compressed air

    Hello! My process looks like this: i've oil container with constant vacuum of 3-10 mbar for removing oil aerosols from container.that vacuum is produced by ejector(vacuum pump) down the line in which goes air at 6 bar.oil aerosols then together with air goes to atmosphere. what I'm trying to...
  3. M

    Calculating Oil Level Increase in a Filled Cylinder Tank - Formula and Solution

    Homework Statement A tank with oil has the shape of a straight circular cylinder. Its diameter is 1.24 m and its height is 2.44 m. The tank lies on one side so that the circular base surfaces is at a right angle to the horizontal plane. It is filled with 0.0045 m3 per second. How fast does the...
  4. J

    What is a sulfurized vegetable oil and how is it made?

    One time I made an oil that burned cooler than normal (or so I think) and has a persistent flame (in light wind it would not go out when a candle flame would). Burns better than Regular canola oil. I made it by melting sulphur in the bottom of a metal dish then pouring canola oil on top then...
  5. D

    Why Does the U.S. Allow T.V. Snake Oil Sellers While Other Countries Ban Them?

    How is it possible that the United States is about the only country that allows these drug ("snake oil sellers) advertisements on T. V.? They are of insignificant value to the general viewer. How do other countries ban such a nuisance. I would suggest that we contact these T. V. stations and...
  6. E

    Explaining the Immiscibility of Oil and Water: A Thermodynamic Perspective

    If water and vegetable oil are added to a bowl, they do not mix. If gasoline and vegetable oil are added in another bowl, they _do_ mix. this has something to do with the polarity of the molecules, i.e. water is polar and gasoline and vegetable oil are unpolar. But is it possible to...
  7. G

    Abiotic oil theory vs fossil fuel theory

    So I'm starting to read up on some of this stuff on the internet but most the argument counterargument seems to be from the same sources Gold vs peak oil theorist. Is this debate so far concluded in academics that no research is being published in journals? What is the curret status of the...
  8. T

    Heat transfer from water to oil

    ok, this is more of a question of theory than actual calculation. Me and my friends did a physics lab on heat transfer vs. surface area of contact. We used water and oil (since oil will float above the water and creating a surface of contact). We heated the water to ~50 degrees C and oil was...
  9. A

    What is the absolute viscosity of the medium lubricating oil in N×s/m2?

    Homework Statement Medium lubricating oil, of specific gravity 0.860, is pumped through 300 m of horizontal 50-mm-diameter pipe at the rate of 0.00114 m3/s. If the drop in the pressure is 200 kPa, the absolute viscosity of the oil in N×s/m2 is...____________? specific gravity (SG) = 0.86...
  10. B

    Does Synthetic Oil Offer Better Engine Protection Due to Its Lighter Weight?

    We have read that synthetic oil protects and preserves internal combustion engines much better than does natural petroleum. I have proven that to myself over many years in my own vehicles. A question first came to mind the last time I bought synthetic oil...I noticed that it is so much lighter...
  11. J

    Related Rates and an Oil Slick

    A ruptured oil tanker causes a circular oil slick on the surface of the ocean. When its radius is 150 meters, the radius of the slick is expanding by 0.1 meter/minute and its thickness is 0.02 meter. At that moment: (a) How fast is the area of the slick expanding? (b) The circular slick...
  12. P

    Buoyant force: wooden block in oil and water

    So there's a wooden block floating on water in such way that 78% of the block is submerged in water. Now oil (with density of 700 kg/m^3) is poured on top so that the wooden block is wholly covered by the oil. Now how much of the block is submerged in water? (Hint: do not ignore the buoyant...
  13. M

    Formula for Heavy Paraffinic Base Oil ?

    Formula for "Heavy Paraffinic Base Oil"? Is there a chemical formula for "Heavy Paraffinic Base Oil"? (like the base oil in motor oil) Or is it made up of other compounds and that's why I can't find a formula for it.? If so than I need to give a full description of the chemical with a formula...
  14. M

    What chemicals are in generic 2 cycle motor oil?

    Does anyone have a list of the specific chemicals that are in off the shelf generic 2 cycle oils? Much appriciation if someone can give me an accurate list. Willing to compensate for an accurate list of chemicals and their chemical formulas.
  15. S

    Does Steel Have Molecules? An Explanation of the Complex Structure of Steel

    Hi all, i am new here, There is a person at Bladeforums rubbing oil on an expensive damascus blade knife. He stated that he gets a black substance appearing in the oil. I think that the steel is being broken down at the molecular level. A phd. in molecular physics stated that steel has no...
  16. A

    Manometer Oil Problem: How to Calculate Water Level Difference | Expert Help

    Dear all, would anyone be able to help me with the following problem In the manometer shown in the figure, the reservoir diameters are 50 mm and the tube diameters are 10 mm. The upper fluid is an oil of density 850 kg/m3, and the lower fluid (hatched) is water. Initially the levels of oil...
  17. D

    Comparing Ethanol and Hydrogen as Alternatives to Oil

    I was just wondering (with all the oil supposedly running out) how feasible is running our internal combusion engines on ethanol as apposed to say hydrogen? What are the advantages and disadvantages of each. Seeing as ethanol would require a massive increase in the amount of farmland for...
  18. O

    Waste Vegetable Oil produced by the kitchen

    Hello all, I have been bitten by the bug of taking the Waste Vegetable Oil produced by the kitchen at the school where I teach Physical Science and reforming it into BioDiesel. I have spent the last two days absorbing what I can find on the net. All the recipies use lots of alcohol...
  19. B

    Forces acting on charged oil drops

    Hi guys. I'm a new member, just joined today. I've been looking for the answer to the following question for hours, but am unable to do so. Please try to help ASAP! Thanx a million. The question is: When a small sphere moves through the air with a low speed v it experiences a resitive force...
  20. J

    Oil Replacements: What Will Power the Future? (Percentages)

    Name the replacements for oil and next to them what percentage you believe they'll come to represent as energy of the future.
  21. H

    Oil Leakage Detection: Gamma vs Beta Rays

    In industry, do you use gamma ray or beta ray to detect oil leakage?
  22. ?

    Thermodynamis - oil pump efficiency?

    Hi guys, could someone help me on this? I'm stuck :( *A motor draws 35kW electricity, it operates at 90% efficiency. The motor is connected to an oil pump which has an inlet diameter of 8cm & an outlet diameter of 12cm. pressure rise in the oil pump is 400kPa. oil enters the pump at 0.1m^3/s...
  23. A

    Millikan's oil drop experiment homework

    Hi everyone I'm stuck with a few questions hopefully I can get some assistance. 1) A student repeating Millikan's oil drop experiment to measure electronic charge used an incorrectly calibrated voltmeter and obtained the following values for charges on the drops: Charges on drop / 10^-19C...
  24. Ivan Seeking

    News I think energy independence is going too far - Shell Oil

    "I think energy independence is going too far" - Shell Oil http://www.msnbc.msn.com/id/13296235/page/5/ I think it is clear that this is not who we need making the calls for what's good for the US. Energy needs to be taken out of the hands of big oil...
  25. M

    Calculating Mass of Oil in Cylindrical Core

    Hi everybody, didn't really know where to put this thread since it's physics using math, so I'm sorry if it's not in its appropriate place. My problem is: I need to compute the mass of oil in a cylindrical core put into a core holder.it's partially filled of oil. I didn't know how to...
  26. A

    Why did Millikan use terminal velocity in his oil experiment?

    My question is that why did Millikan allow the oil drop to fall in terminal velocity and thus solving for the radius of the oil drop to find its mass eventually and not using a microscope to measure the oil drop's radius? This is one part of my tutorial question and I really have no idea...
  27. Ivan Seeking

    News What is happening to the Iraqi oil money?

    I was wondering about this and haven't had the chance to look into it. Who is getting the money from the Iraqi oil sold? They are supposed to be at ~50% of pre-war production levels. And who is monitoring oil production and sales?
  28. F

    The Impending Oil Crisis: Is It Already Here?

    Hello everyone, as you may well know gas prices are high and will probably remain high for a little while. Yet, there is one thing people rarely talk about and that is that oil is a non renewable resource and there is only a finite amount left in the earth. In the long run gas prices will...
  29. G

    Thermostatically controlled oil filled radiator than an electric fan h

    I was reading a discussion about heaters on another forum ages ago, one person claimed that there is a large difference in cost when running a thermostatically controlled oil filled radiator than an electric fan heater. Another person told him to contact the Institute of Physics and inform them...
  30. B

    Ideal Gasses, Double-Layered floating objects, and immersion in oil

    3: I'm absolutely confused on this number 3. I've attempted this question but there must be something I'm missing out which makes a difference. An explanation would be nice. In order to find the displacement in part a wouldn't you need to know the pressure at 270 degrees? I used the ideal gas...
  31. N

    Viscosity of oil at various temperatures

    I'm trying to work out the viscosity of oil at various temperatures. I've got all my results, but when I try to work out the viscosity I get some really far out answers. What region would you expect the viscosity of oil room temperature to be? I get this result for viscosity of oil: -1330245.26...
  32. M

    News U.S. Outsourcing and Oil Dealings Begin to Hit Home

    Without going into an elaborate discussion to support my contention, portions of which are widely available throughout this Forum, it seems pretty clear from morning news reports and surveys that the U.S.'s policies of outsourcing mfr jobs, reliance on Arab oil, and priorities in protecting the...
  33. F

    Contest question The sinking oil barge. Help

    Contest question! The sinking oil barge. Help! OK. Here it goes! A tugboat is towing an oil barge in the sea. You may consider the barge to be a large steel container, with an empty weight of 3000 tons, completely filled with 50000 tons of oil. The density of steel is six times that of sea...
  34. W

    Energy Alternatives to Oil: Perspectives for the Future

    I've been given the task to explore the alternatives that could replace oil in a distant future for energy purposes. I'm clueless as it is so I came here to ask what are the possible perspectives so i can have a clue.
  35. Mk

    Who was the inventor of Banana Oil?

    Who was the inventor, discoverer, or isolator of Banana oil aka pentylacetate / pentylethanoate / amylacetate?
  36. Ivan Seeking

    News What happens when we don't need oil?

    With this https://www.physicsforums.com/showthread.php?t=108344 and other promising technologies coming along, I am greatly encouraged that a true solution [set of solutions] to the energy problem is near. How will world politics be changed as the world's oil economy is displaced by a wind...
  37. J

    Find Equilibrium Readings of Scale: Beaker & Oil + Iron Block

    A 1-kg beaker containing 2 kg of oil(density = 916 kg/m^3) rests on a scale. A 2kg block of iron is suspended from a spring scale and completely submerged in the oil. Find the equilibruim readings of both scales. For the bottom scale, I can find the weight, 29.4 N of the beaker and oil, but...
  38. M

    Singing about Oil: Finding the Right Words

    oil song? I am in virtual school and i have to create a song about oil. I don't know where to start. So if anyone could help, it would be great! Activity - Create a short song about the geology of oil. (You may use the tune of a song you know and change the lyrics.) Audience - Middle...
  39. R

    What color will the oil appear and calculate the wavelenght

    An oil slick 122 nm thick (n = 1.4), lying on water, is illuminated by white ligiht incident, perpendicular to its surface. What color will the oil appear and calculate the wavelenght.
  40. V

    What is the Chemistry of Vanilla Oil?

    I'm going to do a project on "The chemistry of vanilla oil". But I'm really confused about the content of vanilla oil. Could anyone tell me something about that? And are there any good experiements could be done to investigate vanilla oil?
  41. A

    Can You Sing About How Oil is Formed and Extracted?

    While searching the web determine the following: How oil is created and trapped deep under the earth How we uncover that oil and bring it to the surface In your research find and define the words in the chart below. Aim at an understanding of how you would used these terms as they are...
  42. J

    How does air blowing over a u-tube affect the heights of water and oil columns?

    I really need help on this problem. I've been stuck forever A U-TUBE AT BOTH ENDS IS PARTIALLY FILLED WITH WATER. OIL (DENSITY = 750KG/M2) IS THEN POURED INTO THE RIGHT ARM AND FORMS A COLUMN L=5.00 CM HIGH. DETERMINE THE DIFFERENCE h IN THE HEIGHTS OF THE TWO LIQIUD SURFACES. THE RIGHT ARM...
  43. Astronuc

    Oil and gas exploration - the cost

    http://www7.nationalgeographic.com/ngm/0507/feature5/index.html Demand for natural gas and the resulting land-use pressures are pitting America's Old West against the New. http://www7.nationalgeographic.com/ngm/0507/sights_n_sounds/index.html...
  44. V

    Will Peak Oil Occur This Thanksgiving?

    http://www.physorg.com/news8441.html" Sorry folks, but if his right, it means it’s all down hill from here.
  45. M

    News How Did Chavez Outmaneuver the White House on U.S. Heating Oil?

    Amid months of criticism over failed U.S. oil policy, and after suffering embarrasing setbacks in the Senate (Democrats use of rule to demand continued pre-war intelligence committee review) and in the House (Democrat Cong. Murtha's Iraq war exit proposal), the White House and big U.S. oil were...
  46. B

    News Do gas prices really reflect the profits of oil companies?

    http://money.cnn.com/2005/10/27/news/fortune500/exxon.reut/ So, oil companies make record profits, and gas prices hit record highs. Coincidence? And for reference, how many people have seen prices go down more then 20 cents in the past month?
  47. R

    How Is Oil Used as an Energy Source and What Determines Its Efficiency?

    If anyone out there is able to give a brief overview of how oil is used as an energy source, I would really appreciate it! Nothing too fancy, I just need to know the basics of how it works and how to find its efficiency. Thanks so much.
  48. D

    News Government milking us like cows; Oil

    Why are we introducing hybrid cars? So some of them reduce emissions by 50%, 75%... but by the time everyone has one, the number of drivers on the road is going to have doubled, tripled, possible quadrupled, and the same amount of emissions will still be being put out because of this! Let's stop...
  49. Curious3141

    News Solving the Iraq Oil Paranoia: UN Inspectors & Transparency

    Specifically pertaining to the oil resources in the country. How about the US allowing a special UN appointed team of international oil/energy experts into Iraq (under full American military protection to ensure their peace of mind) ? The inspectors would take full stock of existing oil...
  50. G

    News Massive oil reserves found in the US

    Of course it is not a new discovery, the western Indian kept warm by burning rocks long before the white man set foot in the Americas. In parts of Colorado there may be as much as a billion barrels of oil per square mile; the state has the largest fossil fuel deposits in the entire world and...
Back
Top