You could investigate how the rate of reaction increases with increasing temperature, and whether there is an optimum temperature for the reaction. Investigate variables affecting water absorption polymers. decomposition of sucrose into glucose and fructose. | 26. The. Obviously this is not an official IB mark and the comments are not official IB feedback but James has a good record of marking according to the IB's standard. Over 50 Chemistry Simulations, from Acid-Base Solutions to Wave on a String. I thought it would be instructive to send my seven page report to an experienced IA moderator to see what mark it would achieve when marked according to the IB internal assessment criteria. Search for content by subject in the Search field. Does cooking temperature affect the vitamin C content of kale as measured by iodometric titration? 5. How does the concentration of manganate(VII) affect the rate of the autocatalytic reaction with ethanedioate as measured by colorimetry? Display as a link instead, You could even look at both the bond enthalpy and length to see how they change with each other. The statements are deliberately broad and, if you decide to use any of these ideas, you should be as specific as you can. My first IA did not work out at all and my deadline is approaching soon. As you increase the concentration of a reactant (or the pressure of a gaseous reactant), the rate of reaction increases as the reacting particles are closer together resulting in more collisions. The earlier post I wrote on research questions will hopefully help. You can post now and register later. 30. I am sure IB will consider this in their guidance pack they share with examiners/moderators nearer the time of exam period. 36. Chemistry IA (Database) IB Survival is now part of Lanterna Education Chemistry IA (Database) internal assignment By PB_19, December 13, 2017 in Chemistry Share Followers 0 Reply to this topic Start new topic PB_19 Members 0 2 posts Exams: May 2018 Posted December 13, 2017 (edited) Hey guys! As biosciences become increasingly informatic in nature, knowing how to access, use and interpret is a valuable skill. The biology IA examples have been marked, following the IB biology IA criteria, by official IB biology IA examiners. Do more expensive nappies contain better hydrogels that absorb water faster? There is a variation of CaCo3 between the bases. [] Dont just copy an existing IA you found online, such as one from my list here! 4. Chemistry IA Criteria Review. Investigate the effect of the length a salt bridge has on the dipped voltage produced by a voltaic cell. A redox titration can be done to see how much potassium manganate(VII) solution is needed to titrate a solution of crushed up iron tablets, and therefore work out how much iron there is in the tablets. You could find a compound that you are particularly interested in and synthesise it in the laboratory. SCH 4UW. Urease is found naturally in soil, so urea is used as a fertiliser to release ammonia. Investigate the solubility of salts (Ksp values). | It is mostly about how you treat your topic and how you present it. Does water temperature affect the caffeine concentration of tea? Strugglingfor IB Chemistry IA Ideas? 18. What I then did was to spend about an hour rewriting my article to addressspecifically all the IB assessment criteria without adding or changing any of the actual chemistry. and write-up a Chemistry IA that will . November 15th, 2021. Does the titration temperature affect how accurately the Mr of a hydrated salt can be determined using redox titration? If you are a student and wish to access these resources, ask your school to subscribe. What is the activation energy for the oxidation of luminol by hydrogen peroxide? Does storage temperature affect the purity of washing soda crystals, determined using acid-base titration to find waters of crystallisation? The CSD is used in almost every chemistry department worldwide by universities and pharmaceutical companies. My chemistry teacher hasn't really explained how to do our IA and I'm running out of time. You still need both a theoretical model and data, even if you are not carrying out an experiment. Remember, your IA reports may be a bit different from the past reports due to the type of the data used. Onmy page on History of Internal Assessment I have detailed how the IA assessment has changed over the years. A more thorough procedure can be found. To achieve the maximum score The evidence of personal engagement with the exploration is clear with significant independent thinking, initiative or creativity. You could investigate the relationship between surface area of a reactant and the rate of reaction. 19. 2014 DP Chemistry (Last exam Nov 2024) Practical scheme of work & IA. Measuring the calcium ion content of six different soft cheeses using EDTA complexometric titration. Online Chemistry Tutor for A Level and IB | Dr Carl Thirsk. Detailed instructions for the experiment can be found. How does reaction temperature affect the yield of the diazo dye Disperse Red 13 in the Sandmeyer reaction? Facebook ChemistryViews ChemistryViews is the online science news magazine of Chemistry Europe. Which factors affect the rate of electrolysis in electroplating metals? I might just be wrong about how I'm actually supposed to use a database. Contact, Twitter 33. Finding reliable and complete databases is important to make sure your results are accurate. The amount of phosphate present in soil samples can be determined using a. - STEP 1 Research into possible Research Questions and find 2-4 sources - STEP 2 do pre-testing as needed - STEP 3 submit your RESEARCH PLAN (with sources) - STEP 4 collect data - STEP 5 Write your. Relating experimental and theoretical values for the lattice enthalpies to charge density of different metal ions, Evaluating different mathematical models for the calculation of pI values of amino acids and comparing to database values, Using molecular modelling to explore the relationship between halogen size and the preference for T-shaped geometry in interhalogen compounds. I'm not asking for a research question, but could you give me some tips on how to turn ideas into viable research questions. Determine the solubility of an ionic salt in water by plotting a solubility curve and compare the solubility with its literature value. IAs involving databases Chemistry IA topics on electrochemistry (voltaic cells, voltammetry, electrolysis) IAs involving gas chromatography IAs involving mass measurements Chemistry IAs involving microscale chemistry IAs involving molecular modelling IA topics using photoconductivity (measuring light intensity) You can see the results of my investigation on a separate page on this website. Iodine is an essential part of our diet and helps synthesise thyroid hormones to regulate metabolism. 27. Applied Chemicals and Materials Division. Investigating the bleaching of various food colourings to determine the rate constant. 12. You can post now and register later. With the cancellation of the May 2020 exams instead of the IA component counting for only 20% of the final mark it effectively became the main basis upon which grades were awarded. Some anomers exist in an equilibrium between two forms which interconvert, for example glucose and lactose. So far I've looked into medicinal chemistry and biochemistry and I want to do something related to the structure or drugs but do you think it would be easier if I switched to doing a database IA in organic chemistry (and look at solubility, melting pointetc)? You do not need to show the detail view of any table. This exact same report was submitted as a manuscript to Foundations of Chemistry, an international academic journal which provides an interdisciplinary forum in which chemists, biochemists, philosophers, historians, educators and sociologists discuss conceptual and fundamental issues which relate to the `central science' of chemistry. 48. Like many IB students, you may be finding it challenging to think of an idea that a) you are really interested in and b) is feasible for you to complete given the time and resources available. Investigate factors affecting electrolysis. Shoul I do this experiment? Is IB chemistry harder than A Level chemistry? We wont spam you with irrelevant messages or pass your details to other companies, and you can unsubscribe at any time by following the instructions in any email we send. Please make sure you show your idea to your teacher before you get too involved in the planning stages as there may be a very good reason why you are unable to carry out your idea. Research questions are difficult to find and formulate where enough data from different sources can be utilized. The issue I can see to begin with is you have two dependent variables, volatility and smell characteristics. Is the release of ibuprofen from different formulations dependent upon pH and temperature, measured using acid-base titration? Investigating the organometallic reaction between alkyl magnesium halides and propanone (Grignard chemistry), Investigating the effect of halide substituent on the yield of phenacetin, prepared from paracetamol by Williamson ether synthesis, Extracting Oil of Wintergreen and Menthol from Kwan Loong Oil using steam distillation. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); I'm a fully-qualified teacher, examiner and professional tutor providing online chemistry tuition and resources for GCSE, A Level, IB and university level. Using colorimetry to investigate whether coffee contains more caffeine than tea, Investigating whether solvent polarity affects the mass of caffeine extracted from coffee beans using HPLC. Equally so, it is the first point of criticism for a teacher grading the work. 34. Do not attach the full screen print. If you are interested in medicinal chemistry, you could try synthesising. Find below the assessment criteria used for chemistry independent investigations. IB Chemistry IA Topics That ROCK | 50+ Ideas for SL and HL. My second worry is that the whole of the IA assessment has become a ticky box exercise involving passing through hoops that bear little relevance to how chemistry is normally reported. I've chosen a database topic, but I don't actually know where/how to find said databases. Does cooking temperature affect the concentration of ethanoic acid in vinegar, measured by acid-base titration? The effect of temperature, pH or salinity on oxygen content could be investigated as one of your IB Chemistry IA ideas. Hi, I wanted to determine protein content of something over different cooking time but I did some research on the google and I found that proteins are not affected by heating. Hi, Im not sure I understand the question eggshell colour is due to the presence of pigments rather than Ca2+ ion concentration? Determining the optimal solvent and temperature to give highest yield for the synthesis of Dulcin from Tylenol, using titration, Determining the pKb of a base from its half-equivalence point. It often is the "make or break" so do ensure to take it seriously. Place a heat mat under the can. For all your other IB Chemistry needs, be sure to visit our IB Chemistry subject page for more resources. Redox reaction: removal of tarnish from objects 2. His students consistently achieve top grades, and a high proportion every year progress to study medicine, dentistry, veterinary medicine,. A polarimeter is a device that measures the rotation of polarised light as it passes through an optically active fluid. Using halide ion test to determine the activation energy for SN2 reactions of different halogenoalkanes with sodium hydroxide. 4. ICT in practical work. In my current life I teach exclusively diploma chemistry, so I get to mentor more student projects than probably anyone else. 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 For solid reactants, increasing the surface area also increases the rate of reaction as more reacting particles are in contact with each other at any one time. Which endothermic reactions are good for use in cooling packs, investigated with simple calorimetry? IA Biology HL 6. See the Wizdom site for more information on the research collaboration cloud environment. In contrast, dyes are either liquids or soluble, but can be converted to pigments by precipitation with a metallic salt. IA Biology HL 7. InThinking Subject Sites for teachers & their classes, Only teachers can take out free trials or subscriptions to our subject sites at Your link has been automatically embedded. Does thermal decomposition allow unknown salts to be identified? A mass change and signs of electroplating were observed. Do other transition metals apart from iron(II) catalyse the iodine-clock reaction? DOC home page . Investigate the effect of different sacrificial metals on the rusting of iron. Do expensive iron tablets contain more iron than cheaper vitamin tablets? It also shows that the IB assessment criteria bear little relationship to the criteria used to judge the worth of a peer-reviewed report for publication in an internationally recognised academic chemistry journal. There is evidence of personal input and initiative in the designing, implementation or presentation of the investigation.. Databases. You could then work out the percentage yield of the experiment by comparing your experimental yield to the theoretical yield. 29. Below you can explore some examples of such IA topics that are sure to score highly on the IA criteria! To help with this, Ive produced a list of chemistry IA ideas, together with some example Research Questions (RQ). Among these, Personal Engagement refers to your choice of IB Chemistry IA idea and how well are you able to understand and engage with the same. 50. Is the oxygen level in my local canal enough to satisfy the biological oxygen demand (BOD) for fish? Legal 36. They depend on it to drive drug discovery projects. Acid-base titrations can also be used to assess the acidity of fermented foods and drinks such as sauerkraut and kombucha. The activation energy for a catalysed versus an uncatalyzed reaction can be compared, to see by how much the catalyst lowers the activation energy. a hands-on laboratory investigation using a spreadsheet for analysis and modelling extracting data from a database and analysing it graphically producing a hybrid of spreadsheet/database work with a traditional hands-on . Virtual Labs In 2013 Scerri stated that many teachers were still teaching blatantly wrong chemistry by giving the electron configuration of scandium as [Ar[4s23d1 and provided experimental evidence to support the argument that it should be [Ar]3d14s2. The degree of rotation can be used to calculate the concentrations of solutions. 49. Could someone please explain how I can use a database for my Chemistry IA? Is sublimation of salicylic acid after decomposition a reliable way to judge stability of aspirin tablets? 17. Full-Time. . You could investigate how different factors affect the percentage yield of soap produced. It is a starting point for further research, not a list of off-the-shelf projects you can select from and take to your teacher. This work can be on primary or secondary data but well analyzed and critically evaluated. The best IAs usually take a simple method and explore it from a unique perspective, in order to avoid complications whilst still allowing for an in-depth investigation that will secure those personal engagement marks. Compare the percentage of vitamin C in various brands of juice. It is up to the high standard of Foundations of Chemistry. I examined the new IAs for the IBO, and I also developed and lead teacher training workshops for ICT in chemistry. 1. Pigments are insoluble coloured compounds used industrially in the colouring of many materials, for example clothes and cosmetic products. 5. A free chemical structure database providing fast access to over 25 million structures, properties and associated information. VSEPR theory predicts the shape and bond angles of molecules based on the number of bonding and non-bonding pairs of electrons around the central atom. You cannot paste images directly. How does voltage and electrolyte concentration affect the oxide layer thickness during the anodisation of aluminium? More. Does the concentration of nitrate ions in soil affect the mass of water that smart polymer hydrogels can absorb? Volatility can be quantified and measured (e.g. 2. Provides access to scholarly journals and magazines covering the latest scientific developments. 44. Investigate the factors affecting the colours of transition metal compounds (through the use of a colorimter). Investigating the relationship between metal ion charge density and thermal stability using thermal decomposition experiments. If I do this experiment and I write it as a IA, Will I get higher points? 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. Any IA lab should be thoroughly risk assessed by yourself and your teacher should check this risk assessment. By integrating and linking compounds from more than 400 data sources, it enables researchers to discover the most comprehensive view of freely available chemical data from a single online search. 45. Another option would be a modelling software or website that can tell you the bond enthalpy/length for specific bonds within a molecule. Which types of indigestion medicines are fastest at neutralising stomach acid? There is currently much unease and worry by both teachers and students about Individual Scientific Investigations that are based on secondary data. What type of relationship is it? Using Hesss law to calculate a value for the enthalpy of reaction when magnesium burns in steam, Using Hesss law and calorimetry to investigate the relationship between enthalpy of solution, enthalpy of hydration and lattice enthalpy. Saponification is the process of converting fat/oils/lipids into soap, which is the salt of a fatty acid. So chemistry-wise I start with a broad base. West Des Moines, IA. The Internal Assessment (IA) is a mini-research project. 25. Investigate the enthalpy of neutralisation of different acid / base concentrations. 14. 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. These concern developing experimental and investigative scientific skills including the use of current technologies and the . Egg shell is a finish Like Matt finish, Low sheen, Egg shell, Semi gloss, Gloss etc. Do different grades of brass contain different amounts of copper? Investigating how water pH affects chlorophyll degradation at different temperatures using spectrophotometry, Using spectroscopy to investigate chlorophyll fluorescence. We suggest you use these International baccalaureate chemistry IAs to get IB chemistry IA ideas and explore possible chemistry IA topics for your . Clear editor. 23. As temperature increases, the rate of reaction increases as the particles have more kinetic energy so collide more often, and these collisions are more likely to result in a successful reaction. 9. Strangely, despite me thinking that my Chemistry IA was the best out of all my science IAs, it scored the lowest mark among them. You can see my original 7/24 paper online and I've embedded my 24/24 IA report below with the main changes (which are almost all just additions) made in red so you can teach your students how to address the criteria effectively. I have found a few databases, and I've already read the exemplars posted on the IB site (there were only 2, I wish there were more). Similarly, you could look at how the length of a specific type of bond changes across different molecules. A leading publisher of authoritative scientific information. The iodine concentration of iodinated salt can be calculated in a redox titration by titrating the iodine with sodium thiosulphate solution to reduce it to iodide ions, as can be seen. Typical solvents and solutes include water, seawater, heavy water, inorganic compounds, and a variety of organic compounds such as hydrocarbons, halogenated hydrocarbons, alcohols, acids, esters and nitrogen compounds.