"Post lab question aqueous sodium hydroxide" Essays and Research Papers

Sort By:
Satisfactory Essays
Good Essays
Better Essays
Powerful Essays
Best Essays
Page 9 of 50 - About 500 Essays
  • Satisfactory Essays

    enzymes post lab 1 2

    • 349 Words
    • 3 Pages

    Reminder: All post labs need to be 1- typed (not handwritten) ‚ 2- original (not copied from a classmate)‚ 3- answered using complete statements and 4- turned in at the beginning of the lab. Post-lab questions for Topic 5 – Enzymes Name: Date: Group: T W R Formation and Detection of Benzoquinone Table 1. Formation and Detection of Benzoquinone: Record Absorbance Time 2A-Potato extract + cathecol 2B- Potato extract + water 2C- Catechol + water After 10 min 1- What were the substrate

    Premium Enzyme

    • 349 Words
    • 3 Pages
    Satisfactory Essays
  • Good Essays

    or are not sure how to approach a question - EMAIL me before you submit. This assignment must be submitted no later than November 22nd‚ 2011. 1. What is a true solution? Explain why the solute does not settle out of a solution. Is it possible to have one solid dissolved in another? Explain. In metals it would be called an alloy. 2. An aqueous solution of KCl is colorless‚ KMnO4 is purple‚ and K2Cr2O7 is orange. What color would you expect of an aqueous solution of Na2Cr2O7? Explain. Orange

    Premium Sodium chloride Hydrochloric acid Chlorine

    • 1969 Words
    • 8 Pages
    Good Essays
  • Good Essays

    Periodic Table and Sodium

    • 725 Words
    • 3 Pages

    Sodium‚ one of many elements in the periodic table is being used in everyday life‚ it is also an essential element within your body. It is just another element‚ but one of the differences is that this element is something that most people consume every day. Sodium has played an important role in everyday life because of its uses in medicine‚ industry‚ and agriculture(Shriver). Sodium was discovered in 1807 by a man named Sir Humphrey Davy. He was well known for his discoveries of most alkali metals

    Free Periodic table Chemical element Sodium

    • 725 Words
    • 3 Pages
    Good Essays
  • Good Essays

    Pre – Lab Questions 1. A decomposition reaction may be defined as any reaction in which one reactant‚ a compound‚ breaks down to give two or more products. Write the balanced chemical equation for the decomposition of water to its elements. 2H2O(l) 2H2(g) + O2(g) 2. (a) Assign oxidation states to the hydrogen and oxygen atoms in each substance in the above chemical equation. The oxidation state of H2(g) and O2(g) is zero‚ because they are in their normal state. (b) Based

    Free Hydrogen Oxygen Electrochemistry

    • 810 Words
    • 3 Pages
    Good Essays
  • Good Essays

    Making Sodium Chloride Equipment: Method: 1. Firstly‚ safety measures were taken by putting on laboratory coats‚ wearing safety goggles and tying long hair back. This was to protect clothing‚ eyes and to avoid burning as the experiment included dealing with open flames. 2. The equipment needed (as shown and labelled in picture A) was collected. 3. Using a measuring cylinder for each‚ to be exact with measurements‚ we measured out 10cm³ of HCl and 10cm³

    Premium Sodium chloride Chlorine Sodium

    • 339 Words
    • 2 Pages
    Good Essays
  • Better Essays

    Preparation of PoPD fabricated of Mg-Al layered double hydroxides 0.356 g of Magnesium nitrate (0.3 M) and 0.169 g of Aluminium nitrate (0.1 M) solution were containing in 100 ml beaker with continuous stirring (1:3 ratio) and followed by 0.700 g of urea (0.5 M) was added into the solution. The reaction mixture was maintained basic medium using 1 g of NaOH solution was added drop by drop into the above metal solution. The mixture was stirred for 30 min and the precipitate was poured into the 50

    Premium Water Chemistry Titration

    • 1512 Words
    • 7 Pages
    Better Essays
  • Satisfactory Essays

    2.09 Lab Questions

    • 274 Words
    • 2 Pages

    QUESTION 2.1: Do you expect heat to flow into or out of the cup into the surrounding atmosphere? ANSWER: The heat flow is expected to flow out of the cup into the surrounding because temperature of the cup is more than its surroundings. QUESTION 2.2: Is the difference between the final and initial temperatures‚ T_f − 푇푖‚ positive or negative? Explain why you gave the answer you did. ANSWER: The difference between the final and initial temperatures is negative. This is due to the fact that gas

    Premium Temperature Thermodynamics Heat

    • 274 Words
    • 2 Pages
    Satisfactory Essays
  • Better Essays

    KNES 470 Dr Rubin 4-18-12 Sodium Bicarbonate and Boxing Performance Boxing is a sport which relies on anaerobic power since it contains short-duration and high intensity work. A typical boxing match today consists of 3 minute rounds with a 1 minute seated recovery rest. When an athlete performs exercise at maximal level for more than 30 seconds‚ most of the energy comes from anaerobic glycolysis. During this process‚ lactic acid is produced which causes a decrease in pH levels within the muscle

    Premium PH Boxing Acid

    • 1177 Words
    • 5 Pages
    Better Essays
  • Good Essays

    Lab 4 Questions

    • 579 Words
    • 3 Pages

    is in the path of a hurricane. All survive‚ but 10 are blown to a new location. These 10 start a new population; their progeny will reflect the founder’s gene pool. This is known as the founder effect. Materials Beaker #1 Beaker #2 Beaker #3 Questions 1. What observations can you make regarding the gene pool and gene frequency of the founding individuals? 2. Do these results vary between the populations founded by beakers #1‚ #2 and #3? Why or why not? 3. What observations can you make about

    Free Natural selection Evolution Sickle-cell disease

    • 579 Words
    • 3 Pages
    Good Essays
  • Satisfactory Essays

    3.2.07 Lab Questions

    • 268 Words
    • 2 Pages

    Discussion Questions 1. 2. What is a spectroscope and what is it used for? A spectroscope is a scientific instrument that is used to measure the intensity of the light at different wavelengths by calculating the amount of light energy that is being absorbed by the electrons at different wavelengths. 3. 4. 6. How might the difference in the brightness of spectral lines be explained? In other words‚ why are some lines in a spectra easier to see and appear brighter? Some lines in a spectra are easier

    Premium Light Optics Electromagnetic radiation

    • 268 Words
    • 2 Pages
    Satisfactory Essays
Page 1 6 7 8 9 10 11 12 13 50