Determine the concentration of biodiesel produced from fruits by using calorimetry. 4. Investigate the energy densities of fuels versus the bond strength (using a database). You could determine the pKa values and pH ranges of natural indicators using. Strangely, despite me thinking that my Chemistry IA was the best out of all my science IAs, it scored the lowest mark among them. Email : ibeliteacademy@gmail.com Skype : www.ibeliteacademy.com +91-9990664500 , +91-9990664300 Register As TutorRegister As Student Search Menu Online IB Chemistry Tutors IB Chemistry Tutor Quickly find chemical information from authoritative sources. Investigating solid acid catalysis of esterification reactions using infra-red spectroscopy, Using Excel to calculate pI values for peptide and compare with literature values, Modelling the relationship between reaction quotient and equilibrium constant when changing temperature and pressure of the Haber reaction using spreadsheets. The justification given for choosing the research question and/or the topic under investigation demonstrates personal significance, interest or curiosity. The molecular formula of unknown hydrated salts can be calculated using thermal decomposition reactions. A leading publisher of authoritative scientific information. Search chemicals by name, molecular formula, structure, and other identifiers. My chemistry (SL) class has already begun the Internal Assesment and I've chosen to do a database IA. How does voltage and electrolyte concentration affect the oxide layer thickness during the anodisation of aluminium? Using halide ion test to determine the activation energy for SN2 reactions of different halogenoalkanes with sodium hydroxide. The resulting IA examiner comments are also provided for each biology IA. and our It is an opportunity to show-off your chemistry skills and knowledge and investigate interesting ideas without the pressure and constraints of the written exams. | Investigating contents of EDTA in shower contents. ACS A leading publisher of authoritative scientific information. Responsibilities. The Internal Assessment (IA) is a mini-research project. What is the iodine number of different cooking oils? If you are interested in medicinal chemistry, you could try synthesising. 6. A student's Research Question, or RQ, is the starting point for their IA. You could look at vitamin C tablets, different brands of orange juice or solid fruit and vegetables. | Posted 6:53:51 PM. Found so much value from your post! Onmy page on History of Internal Assessment I have detailed how the IA assessment has changed over the years. Using calorimetry to determine whether alcohols with more branching have higher heats of combustion, Comparing the enthalpies of combustion of ethanol, ethanal and ethanoic acid using calorimetry to quantify intermolecular force strength, Using calorimetry to find out which type of nut butter contains most calories, Using calorimetry to investigate how food calories are affected by cooking in unsaturated and saturated vegetable oils. You could use a database to look for trends in for example: solubility, enthalpy of combustion, melting and boiling points, and there is a list of possible databases here. IA Biology HL 6. The length of time that vegetables are cooked for, and the method of cooking used has been reported to affect the vitamin C content, so this could be investigated further. Privately organized database; information on chemical substances. I was thinking of investigating fragrance esters,specifically whether amount of unsaturation affects smell characteristics and volatility of the molecule? A polarimeter is a device that measures the rotation of polarised light as it passes through an optically active fluid. Does vitamin C act as a radical scavenger and slow down the rate of free radical substitution? Investigate the effect of soil pH on the chlorophyll content in plant leaves. 27. Vasy Kafidoff. Any ideas how I could incorporate something to do with seaweed? Which factor, UV light, temperature or pH has the greatest effect on the denaturation of lipase measured using UV-VIS spectroscopy? Virtual Labs Investigate chemical equilibria (determine Kc for a reaction). Cookie Notice Find chemical and physical properties, biological activities, safety and toxicity information, patents, literature citations and more. What is the activation energy for the oxidation of luminol by hydrogen peroxide? So chemistry-wise I start with a broad base. 7. Measurement, data processing & analysis (2), MC test: Introduction to materials science, Environmental impact - plastics questions, (AHL) Superconducting metals & X-ray crystallography, MC test: Superconducting metals & X-ray crystallography, Superconducting metals & X-ray crystallography questions, Superconducting metals & X-ray crystallography answers, (AHL) Environmental impact - heavy metals, MC test: Environmental impact - heavy metals, Environmental impact - heavy metals questions, Environmental impact - heavy metals answers, Stereochemistry in biomolecules questions, Nuclear fusion & nuclear fission reactions, MC test: Nuclear fusion & nuclear fission reactions, Nuclear fusion & nuclear fission questions, MC test: Environmental impact global warming, Environmental impact - global warming questions, Environmental impact - global warming answers, (AHL) Electrochemistry, rechargeable batteries & fuel cells, MC test: Electrochemistry, rechargeable batteries & fuel cells, Electrochemistry, rechargeable batteries & fuel cells questions, Electrochemistry, rechargeable batteries & fuel cells answers, MC test: Nuclear fusion & nuclear fission (HL), Nuclear fusion & fission reactions (HL) questions, Nuclear fusion & fission reactions (HL) answers, MC test: Pharmaceutical products & drug action, Pharmaceutical products & drug action questions, Pharmaceutical products & drug action answers, MC test: Environmental impact of some medications, Environmental impact of some medications questions, Environmental impact of some medications answers, (AHL) Taxol - a chiral auxiliary case study, MC test: Taxol - a chiral auxiliary case study, Ten suggestions for IAs using secondary data, A genuine Grade 7 IA report using a database/simulation, Marked IA reports with teacher comments & marks, Factors affecting the rate of nucleophilic substitution reactions, SL Multiple choice tests on individual topics, SL Multiple choice 'quizzes' on sub-topics, HL Multiple choice tests on individual topics, HL Multiple choice 'quizzes' on sub-topics. Investigate the factors affecting the rate of reaction between iodine and propanone. Online Chemistry Tutor for A Level and IB | Dr Carl Thirsk. By accepting all cookies, you agree to our use of cookies to deliver and maintain our services and site, improve the quality of Reddit, personalize Reddit content and advertising, and measure the effectiveness of advertising. Your previous content has been restored. Determine the activation energy of iodine-clock reaction. [2] This can take place by a process of homolytic cleavage or homolysis or heterolytic cleavage or heterolysis of the bond. 45. You should always get your IA checked out by your class teacher before you carry out any lab work to ensure that your experiment is safe. Its got to be something suitably demanding for diploma-level study, its got to be something relevant to the chemistry syllabus, its got to be something you cant just look up the answer to in a textbook, and crucially, its got to be a topic the student is personally engaged with. Do expensive iron tablets contain more iron than cheaper vitamin tablets? Websites and Databases for Research. This page has Simulations and resources for high school students. To examine if oxalic acid or citric acid rust removers are more effective at higher temperatures using redox titration. Measurement, data processing & analysis (1), 11 & 21. Your IB Chemistry IA will be evaluated based on - Personal Engagement, Exploration, Analysis, Evaluation and Communication. 36. Does the critical micelle concentration of Triton and Tergitol type surfactants affect their detergent ability? Furthermore, you could then predict a reaction mechanism for the reaction and compare this with literature findings. So if I do this experiment, I will not see any difference in the protein content. For more information, please see our Hello Astridde, glad you find the article useful. Privacy Policy. 4. etc. Clear editor. Weigh a sample of food and place it on a paper clip, with a piece of aluminium under the food sample to collect any burnt material. 43. The assessment criteria are set out clearly in the guide but the interpretation of how to apply them is based upon what is written in several pages of the subject reports and the instructions that are given to moderators. Investigate the effect of solvents in paper chromatography and thin layer chromatography. Periodicity & transition metals (2), 11 & 21. Electroplating is an application of electrolysis which uses an electrical current to reduce metal cations in solution so that a thin layer of metal is deposited onto a metal object. If you find you are in need of a bit more advice on how to successfully complete your Chemistry Internal Assessment, then be sure to check out our student guide for comprehensive guidance on how to plan, execute, and write-up a Chemistry IA that will earn solid marks. Incorporating IM, TOK, 'Utilization' etc. Thank you!! For all your other IB Chemistry needs, be sure to visit our IB Chemistry subject page for more resources. Is microscale chemistry a more efficient way to make aspirin in the laboratory? You could investigate how soil quality changes along a transect, or take samples from different brands of soil to compare. Removal of electrons from either sigma bond, pi bond or nonbonding orbitals causes the ionization. Does cooking time affect how much oxalate is released from spinach? There are several reasons why you shouldnt do this: Firstly, one of the internal assessment criteria is Personal Engagement. Determine the solubility of an ionic salt in water by plotting a solubility curve and compare the solubility with its literature value. constant? A search through any reputable academic chemistry journal will show that articles are almost never formatted this way. books@peakib.com | Tel (UK): +44 (0) 330 113 5644 | More contact details, Your companion to the IB Diploma Programme. Do other transition metals apart from iron(II) catalyse the iodine-clock reaction? Example IB Chemistry IA. Are there more waters of crystallisation in cheap washing soda? Can aspirin be prepared using microwave heating instead of a water bath? A mass change and signs of electroplating were observed. Please do not just copy directly from this list! How does the size and charge of spectator ions affect the value for the enthalpy of neutralisation, measured using calorimetry? 38. 3. Investigate the rate of evaporation of a liquid with respect to its temperature. Egg shell is a finish Like Matt finish, Low sheen, Egg shell, Semi gloss, Gloss etc. Investgating the effects of voltage and bubble overpotential on the electrolysis of sodium chloride using microscale Hoffman voltammetry, Measuring the Gibbs energy change for different spontaneous electrochemical reactions, Is there a relationship between ionisation energy and Gibbs energy change for redox reaction between different reactive metals, determined using voltametry, Determing the equilibrium constant for the interconversion of cobalt(II) hexahydrate and tetrachlorocobaltate(II), Finding the Gibbs energy change for the esterification reaction between propanoic acid and ethanol using gas chromatography. Chemistry Library List of useful databases These databases are of particular interest for chemists. Acid-base titrations can also be used to assess the acidity of fermented foods and drinks such as sauerkraut and kombucha. It'll help reduce work load for both students and teachers, while ensuring students get a deeper understanding and focus on the HL subjects. Applied Chemicals and Materials Division. James awarded it a mark of 7/24 which I felt fairly reflected its worth according to the IB assessment criteria. I really want to do a database IA because I'm terrible at lab work and besides, all of our class time for lab experiments is over.
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