Flammable liquid

Decent Essays
Improved Essays
Superior Essays
Great Essays
Brilliant Essays
    Page 17 of 39 - About 382 Essays
  • Improved Essays

    Fold Test Lab Report

    • 267 Words
    • 2 Pages

    There are two methods you can use to find out how porous your hair is: A. The Float Test: Take a couple of strands of hair from your comb or brush and drop them into a bowl of water. Let them sit for 2-4 minutes. If your hair floats, you have low porosity. If it sinks, you have high porosity. B. The Slip'n'Slide Test: Take a strand of hair and slide your fingers up the shaft (toward the scalp). If you feel little bumps along the way, this means that your cuticle is lifted and that you have high…

    • 267 Words
    • 2 Pages
    Improved Essays
  • Improved Essays

    Pipette Lab

    • 457 Words
    • 2 Pages

    Discussion: Water was transferred from burettes and pipettes to a beaker, in order to see how accurate and precise these instruments would be. The displacement of the burette would be the measured volume of the water. Similarly, the water from the 5.00mL or 10.00mL pipette was transferred to a beaker. The beaker w/ water mass and the initial mass of the beaker was subtracted to obtain the grams of water in the beaker. Using the temperature of the water, the density could be found, allowing…

    • 457 Words
    • 2 Pages
    Improved Essays
  • Improved Essays

    You can lay concrete during the winter; however, you need to be careful. Here are a few precautions that you need to take while laying concrete during cold weather. #1 Never Lay Concrete On Frozen Ground The key to laying concrete during the winter time is to never lay it when the ground is frozen or on top of snow or ice. When you lay concrete on frozen ground, the coldness will transfer to the concrete and will slow down the drying process. Additionally, when the ground thaws, it will…

    • 408 Words
    • 2 Pages
    Improved Essays
  • Improved Essays

    Probably the most difficult deposit to deal with is deep, wet snow when ambient temperatures are slightly above the freezing point. This type of deposit should be removed with a soft brush or squeegee. Use care to avoid damage to antennas, vents, stall warning devices, vortex generators, etc., that may be concealed by the snow. Light, dry snow in subzero temperatures should be blown off whenever possible; the use of hot air is not recommended, since this would melt the snow, which would then…

    • 269 Words
    • 2 Pages
    Improved Essays
  • Improved Essays

    Filter Research Paper

    • 915 Words
    • 4 Pages

    A filter is something that removes impurities or solid particles from a liquid or gas that passes through it. There has been a total of 76% of deaths due to infections from dirty liquids and poisonous gases. Not many filters do the same job you would like it to do, but with this particular filter it is made to filter out gases, liquids, and solids from a variety of different elements and objects as well as cleaning any object you toss into it. The item's frame is powerful enough to do these…

    • 915 Words
    • 4 Pages
    Improved Essays
  • Improved Essays

    Frigidaire FFA 7033 1 Review An excellent dehumidifier will protect your home from any mold, fungus or mildew growing and wrecking havoc. This dehumidifier delivers in any wet environment, and prevents pollutants from getting in the air. You’ll be able to breathe easier, and not have to worry about contaminants. The reservoir for the dehumidifier holds up to 70 pints of moisture a day, allowing you to spend less time dumping the moisture out. If you place it by a drain, you can start it up,…

    • 1398 Words
    • 6 Pages
    Improved Essays
  • Improved Essays

    Wastewater is Ms. Brown's main topic of discussion in this article. The effects on drinking water, landfills and wastewater treatment facilities are outstanding and a poor representation of what is being done to regulate fracking practices across the country. This pushes it's readers to think twice about the water they are drinking and what is really being done for the peace of mind of the rural citizen. With case-by-case interviews of people in the field of wastewater treatment and maintenance…

    • 744 Words
    • 3 Pages
    Improved Essays
  • Improved Essays

    The first portion of this experiment required the synthesis of salicylic acid from wintergreen oil. To begin, a heating block was set on a hotplate and set to 250℃. A reflux apparatus was set up and securely clamped to a support stand, to be used later in order to conduct the heated reflux for reaction. A boiling flask was obtained and into it went 0.01mol (1.521 g) of methyl salicylate and 15 mL of 6M sodium hydroxide including 3 or 4 boiling chips. The reaction was refluxed and heated from 30…

    • 469 Words
    • 2 Pages
    Improved Essays
  • Superior Essays

    Dry Mount Research Paper

    • 947 Words
    • 4 Pages

    like dust particles or a feather. Part B, we used onions, blue methylene and water. It's called a “Wet Mount” since we used a liquid substance (blue methylene and water).Wet mounts are used with a piece glass concave slide and a solid object for viewing it. A drop of water or other liquid substances is dropped onto the object and a cover slip is slid on top of the liquid. The tension of the surface of the water automatically will close the cover tight to the slide while still holding the object…

    • 947 Words
    • 4 Pages
    Superior Essays
  • Improved Essays

    Research Question: What is the effect of the properties of a mixture on the methods of separation and the mass of each substance that is obtained after separation? Background Research: What is a mixture: The reason for the chosen methods: Water is able to dissolve salt because the water molecules (H2O) attracts the sodium(Na) and chloride(Cl-) ions. Hypothesis: If we use a magnet to separate the iron from the mixture we will only extract the iron from the mixture because nothing else in…

    • 1006 Words
    • 5 Pages
    Improved Essays
  • Page 1 14 15 16 17 18 19 20 21 39