Category: Chemistry

  • Worksheet

    Answer all questions fully and correctly, there is a full pdf of the book in the downloads to help you answer the questions if needed. Run ai and plagiarism reports.

    Attached Files (PDF/DOCX): Full (4).pdf, Worksheet Carbohydrates Glycolysis and Citric Acid Cycle (1).docx

    Note: Content extraction from these files is restricted, please review them manually.

  • CHLOROQUINE

    NOTE ALL INFORMATION AND REFERENCESES ARE INCLUDED IN THE OUTLINE AND MUST BE USED:

    General Presentation Requirements:

    • There must be a visual element (e.g., photos, videos, graphs, figures).
    • Your presentation must contain approximately 10-15 slides (excluding references) and run approximately 5-10 minutes.
    • Please note that less than 10% of your presentation should contain direct quotes.
    • Be sure to properly cite your work, both internal to the presentation as well as within the reference slide (this includes photos, graphs, figures, videos, etc.).
    • All references listed on the reference slide should be cited internally within the presentation, and vice versa.

    Introduction Slide(s) – include ALL components below:

    1. Molecule/substance Introduction
    • The common and IUPAC name of your molecule/substance. Please see for help with scientific names if needed.
    • Where you can observe your molecule/substance in society and/or in nature.
    • A brief discussion on why you chose your molecule/substance.
    • If possible, a picture and/or video of you safely observing your molecule/substance in the field. If you cannot safely observe it, please include a couple of images from the internet.

    Description:

    • You must include a physical description. You can use your personal observations from photographs. If you cannot safely observe your molecule/substance, you must research.
    • Physical Characteristics (appearance, texture, color, odor, melting point, boiling point, density, solubility, polarity, etc.)
    • Chemical description: You will need to research the chemical properties of your compound/molecule).
    • Chemical Characteristics (stability in air or other environment, flammability, volatility, etc.)

    Discovery:

    • Describe the initial discovery of your molecule. Who discovered the molecule, when, how, etc.? Some compounds are part of a larger substance/plant. If this is the case, describe the isolation of your specific compound. The isolation refers to the initial time your molecule/substance was discovered from its raw materials or isolated from its .
    • Usage and benefit or harm to society
    • Where has your molecule/substance been used. Is it used regularly or is has it only been used on occasion? If your compound is one that we ingest when eating, include information on foods it’s commonly found in.
    • Write about the benefit or harm to society caused by your molecule/substance. Many compounds can be used as bioweapons or have both positive and negative impacts. Other compounds have had benefits as medicines or have caused harm as illicit narcotics. All of these are good ideas to start out thinking about, so I’d like you to discuss these impacts on society, the future, and in any way you can think of that they may be beneficial or harmful. Please see here for some hints on .

    Conclusion – include ALL components below:

    • Four to six points that sum up the main topics of the presentation that you have in your outline.

    Reference Slide(s) and Internal Citations include ALL components below:

    • Internal citations: This is not just a separate section; rather, referencing should occur throughout the presentation via parenthetical citations any time you paraphrase, make direct quotes, or use visual components from other sources. Please be sure to cite any language, images, videos, etc. in the presentation that should be cited.
    • Reference Slide: Your presentation should also have a final reference slide listing 5-10 credible sources researched for your presentation. NOTE: These are not included in the slide count for your presentation.

    Attached Files (PDF/DOCX): Chloroquine Outline (1).docx

    Note: Content extraction from these files is restricted, please review them manually.

  • Biochem

    Just answer the questions

    also remember that

    Dear Students,

    Due to the unfortunate regional development, the staining and de-staining cycle could not be done.

    I have therefore attached 4 pictures of reference sample gels after these cycles for you to prepare your lab reports. Please follow the below allotments.

    Attached Files (PDF/DOCX): 12467101.pdf

    Note: Content extraction from these files is restricted, please review them manually.

  • Chemistry Question

    Must watch before your exam this question paper will help you for class 8 exam most of the questions from you text book and your chapter

  • I have a chemistry worksheet

    I have a chemistry worksheet it has to many lessons but i only want lesson 3.4 , 3.5 , 3.6 to be done

  • do you want to khow about chemistry combustion reachtion sum…

    do you want to khow about chemistry combustion reachtion summary ?

  • Which metal do not react with water?

    Most of Metal react with different type of water like hot water ,cold water and steam. But which metal do not react with water at all?

  • Groove’s process

    R-OH+HCL REACTS EITH ANHYD ZNCL GIVES R-CL+ H0

  • Write the molecular formula of oxalic acid (HOOC-COOH 2H2O)…

    Objective: To determine the enthalpy change (H) associated with the reaction of a base with oxalic acid and to verify Hess’s law; when a base reacts with oxalic acid in water. The enthalpy change H of this reaction is measured. The heat given off by the reaction in water is noted. The enthalpy change of the base in the solution is not directly measurable. The molar enthalpy change of oxalic acid can be obtained from solution calorimetry using the reaction with the base in water. The molar enthalpy changes can be observed at different concentrations (4.2 M) and temperatures as necessary. For the reaction of a base with oxalic acid, the enthalpy change of 50 ml can be determined using solution calorimetry, from which the molar enthalpy change in kJ/mol can be calculated. The enthalpy change in these conditions is (4.2 t) kJ, and for a 0.05 mol base reacting with oxalic acid, the enthalpy change is determined for a 50 ml solution, giving an enthalpy change of (0.21 t) kJ.

    Calculation:
    H = 1 / (0.05 / 0.21 t) kJ/mol

    Materials: (1) Oxalic acid dihydrate (H2C2O4 2H2O), (2) base

    Equipment: (1) 250 ml volumetric flask, (2) stirrer, (3) thermometer, (4) Safety, (5) Other Information.
    Important Points:
    1. Concentrated Sulfuric Acid (H2SO4) and Oxalic Acid (H2C2O4 . 2H2O) should not be taken in excess or come into direct contact with skin or eyes.
    2. Do not ingest.
    3. Do not answer in a way that could cause harm to others. Do not handle chemicals casually.
    4. Do not answer in a way that can cause fumes or a hazardous reaction when handling acids.
    5. Do not spontaneously mix chemicals in a beaker without proper instruction.
    6. Do not handle chemicals alone.

    Experimental Data:
    Mass of Oxalic Acid (H2C2O4 . 2H2O) used = 0.05 mole = 6.3 g.
    Mass of water used = 43.7 g = 43.7 ml
    Initial temperature of water, t1 = 25C
    Final temperature of water, t2 = 19.5C

    Calculation:
    Temperature change of solution, t = (t1 – t2) C = 5.5C
    Heat released by Oxalic Acid (H2C2O4 . 2H2O), q = 1 / 0.05 0.21 = 23.1 kJ mol

    Conclusion: Heat released by Oxalic Acid, H = 23.1 kJ mol1|… When a driver drives a motor vehicle, he must always follow traffic rules and obey traffic signals.
    2| While driving, pedestrians should also be careful and cross the road only at designated crossing points.
    3| Drivers should maintain their vehicles in proper condition.