"Mixtures and solutions" Essays and Research Papers

Sort By:
Satisfactory Essays
Good Essays
Better Essays
Powerful Essays
Best Essays
Page 7 of 50 - About 500 Essays
  • Better Essays

    5 A commonly used method of separating a mixture of organic compounds is known as liquid-liquid extraction. Most reactions of organic compounds require extraction at some stage of product purification. In this experiment you will use extraction techniques to separate a mixture of an organic acid‚ a base‚ and a neutral compound. Organic acids and bases can be separated from each other and from neutral compounds by extraction using aqueous solutions of different pH values. Most organic carboxylic

    Premium Acid Sodium hydroxide Solubility

    • 1589 Words
    • 7 Pages
    Better Essays
  • Powerful Essays

    Tyler Kui) Lab #1: Separation of a Mixture Mr. Mejia 10/3/14 Separation of a Mixture Lab Report Abstract The purpose of the experiment was to separate an initial heterogeneous mixture composed of 5.00 grams of salt‚ 2.00 grams of sand‚ 50.0 mL of water‚ 15.00 grams of pebbles‚ and 1.00 gram of iron filings‚ and leave as much salt as possible remaining. Using separation techniques including magnetizing‚ evaporation‚ filtration‚ etc. the heterogeneous mixture was thoroughly separated into 4.88

    Premium Laboratory equipment Separation process Water

    • 1134 Words
    • 4 Pages
    Powerful Essays
  • Good Essays

    each component in a mixture containing sand‚ salt and iron filings. Introduction: Many substances that we use on a daily basis are in fact part of a mixture. A scientist separated a mixture to obtain the specific substance that was in need. Many of the compounds and mixtures today are not found in its pure form‚ but in mixtures. Many scientists have the impression that separating mixtures is an important part of chemistry and modern academics. How can the components of mixture be separated and analyzed

    Premium Chemistry Mixture Water

    • 636 Words
    • 3 Pages
    Good Essays
  • Good Essays

    Students at NFV middle school are on a journey to figure out a mystery mixture. They have to search through 9 chemicals to figure out which one is it. Seems easy huh? Nope‚ they have to analyze the physical and chemical properties (a very important part in this)‚ the data‚ argue‚ and give important statements on what they think is in the mix. That’s when arguing comes in‚ not arguing on the person but the statement. I think it is citric acid and baking soda. Eighth graders have to find out what

    Premium Water Acid Chemistry

    • 559 Words
    • 3 Pages
    Good Essays
  • Satisfactory Essays

    Using mortal and pestle‚ crush aloe vera and get it’s extract. 3. Pour the aloe vera extract‚ lemon juice and baby oil in pot and simmer using lower heat temperature until it boil. 4. After you simmer/boil the mixture‚ add the banana peel and continue to boil it. 5. Finally‚ if the solution became viscous‚ set it aside and make the insect repellant. Procedure #2: (for mosquito repellant) 1. First‚ clean the taheebo leaves and put under the sun to dry for 30 minutes to 1 hour. 2. After the leaves

    Premium Water Essential oil Mosquito

    • 273 Words
    • 2 Pages
    Satisfactory Essays
  • Good Essays

    RULES OF MIXTURES FOR ELASTIC PROPERTIES The paper is about the rules of mixtures which are used to express the dependencies of the physical properties and mechanical properties which depend on type‚ form‚ quality and arrangement of its constituents‚ but they are based on various assumptions so one should with caution‚ especially if they are used anything more than preliminary design. The paper mainly concentrates on expressions for elastic properties which are as follows: Unidirectional Ply-

    Premium Elasticity Shear stress Shear strength

    • 541 Words
    • 3 Pages
    Good Essays
  • Good Essays

    Purpose: Unknown mixtures will be separated by means of chromatography in which the mixture will be passed in a solution through a medium leaving behind components of the mixture at different rates‚ therefore‚ different spots on the absorbing substance. This will help determine the identity of unknown mixtures. The spot colors on the strip of filter paper and the Rf values of the unknown samples will be compared to those of known samples. To find the position of the spots on the strip of paper‚ we

    Premium Chemistry Chromatography Chemical substance

    • 367 Words
    • 2 Pages
    Good Essays
  • Good Essays

    solutions

    • 6281 Words
    • 47 Pages

    9001:2008 Certified Institute (Indian Standard Organization(ISO) Certificate Number:2071-QMS-1071) Email id: hsbsolutions7@gmail.com website:www.hsbsolutions.jimdo.com Ph: 9210846949 / 9717925135 Physics: Chapter 2 Solutions Last 15 years questions with solutions Topic: Strength of Solution Q.1Discuss the effect of Temperature on Solubility of solids in Solvent. AnsThe solubility of solid in a liquid solvent generally increases with increase in temperature of the solvent. Very rarely some neutral

    Premium Solution Concentration Oxygen

    • 6281 Words
    • 47 Pages
    Good Essays
  • Good Essays

    O’Brien’s Honors Science class we conducted two experiments the Mixed Substances Lab and the Investigating Mixtures Lab. The objective of the Investigating Mixtures Lab was “To observe that not all liquids behave the same way when mixed with other liquids”. Before we started the lab we we each created a hypothesis mine was “If the water and vegetable oil are mixed and the two combine and make a mixture‚ then the vegetable oil will float and the water will sink”. This is the important information which

    Premium

    • 383 Words
    • 2 Pages
    Good Essays
  • Good Essays

    Theory: Distillation is the conversion of a mixture of substance into vapors which is afterwards condensed to the liquid form. It cans separation or purification of substances by taking advantage of differences in volatility. The purpose of this lab is comparing the efficiency of two distillation methods with the mixture of ethanol and 1-butanol. in theory the fractional distillation should be more efficient because of the steel sponge. The sponge acted as surface area for gas to condense on. This

    Premium Distillation Boiling point

    • 590 Words
    • 3 Pages
    Good Essays
Page 1 4 5 6 7 8 9 10 11 50