[]. Unfortunately, I don't know where I lost the one mark. Is the release of ibuprofen from different formulations dependent upon pH and temperature, measured using acid-base titration? Investigate the energy densities of fuels versus the bond strength (using a database). Its aim is to give examples showing how different topics in the IB chemistry syllabus can be linked to real-world investigations. The activation energy for a catalysed versus an uncatalyzed reaction can be compared, to see by how much the catalyst lowers the activation energy. Really a very helpful article thanks for sharing and keep on sharing! Ive grouped them together according to the main experimental technique or measurement method. Ptable is an interactive table of elements that allows users to alter temperature, see reactions, and find the electrons, isotopes and compounds for all of the elements. If you have an account, sign in now to post with your account. You could compare the experimental value with the stated value, and look at different brands of iron tablet. This was partly to offset worries that it is difficult to ensure complete academic honesty. How does pH affect the colour of Sudan IV produced from a diazotisation reaction? How does fermentation time effect the amount of salt in miso paste, determined via argentometric titration (Volhard method)? The peer-review for this article came back as This manuscript is a very thorough and comprehensive study of the spectroscopic energy levels for a uniquely interesting and oft-overlooked atom. Alloy.ai Named a Leader in Retail Analytics. Investigate factors determining heat of combustion in alcohols. Remote username and password Rdale281, Rdale#281, https://rdale.libguides.com/c.php?g=1105798, 4148 Winnetka Ave. N. | New Hope, MN 55427. This can be investigated using an acid-base titration. How does the ethanol concentration vary for different wines when measured using back-titration with dichromate and ferrous ammonium sulfate? Research questions are difficult to find and formulate where enough data from different sources can be utilized. Thank you!! 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. Balancing chemical equations using algebra, Choosing a Chemistry IA Research Question - chemistrytutor.me. 28. Investigate the enthalpy change of a redox reaction. 2. 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 Assessing the yield of aspirin when prepared using microwave heating compared to conventional heating method, Using thin-layer chromatography to investigate the synthesis of the antiseptic 2,4,6-tricholorohydroxybenzene, Comparing the products from the nitration of benzene, phenol and benzaldehyde using infra-red spectroscopy, The effect of reaction temperature on the yield from esterification reactions, The effect of reaction temperature on product purity when synthesising Oil of Wintergreen assessed using TLC. Which factors affect the rate of electrolysis in electroplating metals? So if I do this experiment, I will not see any difference in the protein content. decomposition of sucrose into glucose and fructose. To help with this, Ive produced a list of chemistry IA ideas, together with some example Research Questions (RQ). This is explained further. The earlier post I wrote on research questions will hopefully help. 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. 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. Determine the concentration of biodiesel produced from fruits by using calorimetry. Iodine is an essential part of our diet and helps synthesise thyroid hormones to regulate metabolism. 12. I am sure IB will consider this in their guidance pack they share with examiners/moderators nearer the time of exam period. Your link has been automatically embedded. Volatility can be quantified and measured (e.g. 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. This is a list of 50 IB Chemistry IA Ideas, intended solely as a starting point or source of inspiration for students stuck for ideas. 18. Is microscale chemistry a safe and convenient way to do reactions with halogens in a high school environment? By The criteria are less easy to address than if hands-on work has been performed. Investigating how water pH affects chlorophyll degradation at different temperatures using spectrophotometry, Using spectroscopy to investigate chlorophyll fluorescence. His students consistently achieve top grades, and a high proportion every year progress to study medicine, dentistry, veterinary medicine,. Using microscale chemistry to determine the relationship between solubility product and temperature for different metal halides. As catalysts are involved in the rate-determining step of reactions, increasing the surface area of solid catalysts should also increase the rate of reaction. 5. Clear editor. What is the iodine number of different cooking oils? For all your other IB Chemistry needs, be sure to visit our IB Chemistry subject page for more resources. I'm not asking for a research question, but could you give me some tips on how to turn ideas into viable research questions. Try to look out for topics that you can link to an aspect of your life or something youre particularly interested in to satisfy that personal engagement criteria. 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. There is currently much unease and worry by both teachers and students about Individual Scientific Investigations that are based on secondary data. I am not sure how I can develop this up into an RQ. You can post now and register later. Investigate the effect of different sacrificial metals on the rusting of iron. You could investigate why and how the value for a particular bond enthalpy changes depending on the overall molecule in which it is found. Any simple topic could be used for your Chemistry IA. One of the major challenges students of International Baccalaureate is finding and selecting a topic for the essay and rightly so. [2] This can take place by a process of homolytic cleavage or homolysis or heterolytic cleavage or heterolysis of the bond. Place a heat mat under the can. How is the buffer action of the sodium ethanoate-ethanoic acid system affected by temperature? Paste as plain text instead, A Checklist Guide to Writing a Perfect Chemistry IA. The resulting IA examiner comments are also provided for each chemistry IA. Investigate how the hardness of water affects the solubility of salts. 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. You could also alter the reaction conditions to see if this has an effect on the calculated formula. How do light intensity and temperature affect the stability of unsaturated oils, determined by measuring iodine number? You cannot paste images directly. document.write(new Date().getFullYear()) InThinking A calorimeter can also be used to work out how many calories are in different types of food and drink. The biological oxygen demand (BOD) is a measure of water quality and can be calculated by observing how the oxygen content changes over the course of five days. They depend on it to drive drug discovery projects. What are good chemistry databases that can be used in the IA? The marks broke down as: Personal engagement 1/2; Exploration: 2/6; Analysis: 2/6; Evaluation: 0/6 and Communication: 2/4. Thank you, Hi, thanks for this nice article! Is microscale chemistry a more efficient way to make aspirin in the laboratory? IB Survival LLC. Investigate the effect of pH on the rate of rusting. Investigating the effect of storage temperature on the sulfite concentration of Rioja using iodometric titration. More. 27. Complete with an overview of key aspects of the IA, a rubric for criteria, and lots of Chemistry IA ideas, this guide offers practical advice and insights to help you achieve the best possible mark on your IB Chemistry Internal Assessment. Cookie Notice You could investigate how temperature affects the equilibrium constant between the two forms using polarimetry, as the shift in equilibrium will cause a change in the optical rotation called mutarotation. Or how does the type of intermolecular bonding present in a fuel affect the enthalpy of combustion? Investigate the catalytic abilities of different transition and metal oxides. A polarimeter is a device that measures the rotation of polarised light as it passes through an optically active fluid. There are several reasons why you shouldnt do this: Firstly, one of the internal assessment criteria is Personal Engagement. Your previous content has been restored. Does cooking time affect rate of chlorophyll degradation? It occurs in the presence of aqueous alkali and heat. Click here to check them out! The University subscribes to many other databases in other disciplines that may be of interest to you, see the A-Z Databases website. For more information, please see our The molecular formula of unknown hydrated salts can be calculated using thermal decomposition reactions. Investigating whether ideal or non-ideal gases give a more accurate determination of absolute zero using volume-temperature ratio. In my current life I teach exclusively diploma chemistry, so I get to mentor more student projects than probably anyone else. Powered by Invision Community, IB Survival is now part of Lanterna Education. Upload or insert images from URL. You could even look at both the bond enthalpy and length to see how they change with each other. Quickly find chemical information from authoritative sources. Common Chemistry (CAS) -Lookup CAS Reg.Number via common chemical name and vice versa. Remember! Prepare and test of buffer solutions. It is mostly about how you treat your topic and how you present it. Many students are unsure how to relate the IB chemistry topics to a real-world situation or problem that they can investigate. The pigments found in certain substances such as makeup products or coloured foods could also be investigated using paper or thin layer chromatography. Privacy Policy. Hello Astridde, glad you find the article useful. www.thinkib.net. Help us improve CareerBuilder by providing feedback about this job: Report this job Job ID: 7BD72A3F29FCA7C0B191AF52B99. Record the initial temperature of the water. Which is the best catalyst for hydrogen peroxide decomposition, potato, liver, manganese oxide or potassium permanganate? 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. As biosciences become increasingly informatic in nature, knowing how to access, use and interpret is a valuable skill. Investigating the hydrolysis of sucrose into glucose and fructose using polarimetry, Determining the equilibrium constant at different temperatures for the mutarotation of lactose using polarimetry, Applying Daltons law to study non-ideal gases, To determine the standard molar volume of hydrogen from the reaction between magnesium and HCl using a barometric method. Im interested in a topic having to do with pesticides but the thing is that I am not really sure how to convert it into an actual strong question. It is often used for decorative or protective means. Please let me know. Could someone please give me some ideas of a database IA that could be done? Shoul I do this experiment? Alloy.ai's unmatched customer experience and strong market presence earned us a spot in the Leader quadrant in Retail Analytics and the High Performer quadrant in Demand Planning in G2's Winter 2023 Grid Report. Place a thermometer in the mouth of the can with a piece of cotton wool to prevent heat loss. Provided by Robert Charles Knight and Aniruddha Warakoutikha. Databases. Is sublimation of salicylic acid after decomposition a reliable way to judge stability of aspirin tablets? Investigate the level of unsaturation in different oil brands. NIST Chemical Kinetics Database Standard Reference Database 17, Version 7.1 (Web Version), Release 1.6.8 Data Version 2023 A . also sounds too simplistic to me as you can quite easily predict that relationship. Does the charge density of the salt ions affect the partition ratio for caffeine extraction from water with different solvents? . No mention of safety, ethical, environmental, Whole premise of IA relies on atomic spectra which are not included - fundamental flaw in the execution of this report. Investigate the enthalpy of neutralisation of different acid / base concentrations. Maybe it is time for the chemistry practical assessment to be decoupled from the other two sciences to reflect more accurately what real chemists do. You could determine the pKa values and pH ranges of natural indicators using. A free chemical structure database providing fast access to over 25 million structures, properties and associated information. Please do not just copy directly from this list! The oxygen content of water in lakes or reservoirs can be measured using the Winkler method, which is described. Furthermore, you could then predict a reaction mechanism for the reaction and compare this with literature findings. To probe whether water acidity affects the calcium ion concentration measured using EDTA complexometric titration. 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. Linking volatility and your independent variable (number of double bonds?) . Does the ethanoic acid concentration vary in vinegars obtained from different grains? Analysis of seaweed (seaweed is a good source of Br and I). Investigating the ability of different anhydrous salts to absorb water from organic solvents by measuring cobalt(II) absorbance. Redox reaction: removal of tarnish from objects 2. It seeks to assess your grasp of chemistry up to the level achieved in your coursework through practical application of the skills gained. Ive given a weaker and a stronger example research question for each category, but be aware that the stronger research question is not necessarily a good research question! The questions are not as varied as physics, where you have to apply a concept to various different types of questions. What are ionic equations and ionic half-equations? Do different grades of brass contain different amounts of copper? Please and Thank you! InThinking Subject Sites for teachers & their classes, Only teachers can take out free trials or subscriptions to our subject sites at What is the pKa value for natural indicators obtained from peonies, poppies and red cabbage, determined using colorimetry? The crushed up indigestion tablet solution is titrated with hydrochloric acid to calculate how much acid the tablet can neutralise, as can be seen. 15. Investigating the kinetics of the reaction between potassium iodide and lead nitrate using microchemistry, Modelling bond angles in organic compounds and comparing them to actual values using ACD ChemSketch, The effect of halogen electronegativity and atomic radius on bond angles in halogenoalkanes determined using CambridgeSoft Chem3D software. Determine the percentage of iron in an iron compound by a redox titration. One of the biggest challenges facing students taking IB chemistry is coming up with a good Internal Assessment (IA) idea. I changed the title to make it a question and explained why I was interested in the topic to help with personal engagement, identified the variables and how they were controlled, described the procedure and explained about the source and the uncertainties associated with the data and added fairly meaningless sentences such as There would appear to be no particular ethical or safety concerns inherent in this investigation and one positive advantage is that the lack of primary experimental work makes this a very green chemistry approach etc. How does voltage and electrolyte concentration affect the oxide layer thickness during the anodisation of aluminium? Description: Perform routine . Any IA lab should be thoroughly risk assessed by yourself and your teacher should check this risk assessment. 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. 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. 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 effects of heterogeneous catalysis on the activation energy of a reaction. You can compare different brands of indigestion tablet that contain different active ingredients. You could investigate how different factors affect the percentage yield of soap produced. 2 4 comments Best Add a Comment Rayford_Beez 4 yr. ago Depends on what you need it for. Trying to choose a topic for your IB Chemistry IA can be difficult, especially when youre limited to a school laboratory and not much time! Strangely, despite me thinking that my Chemistry IA was the best out of all my science IAs, it scored the lowest mark among them. IA Information Unit 1 - Equilibrium Unit 2 - Redox Processes Unit 3 - Organic Chemistry Unit 4 - Spectroscopic Identification of Organic Compounds Unit 5 - Option B - Biochemistry Unit 6 - Ontario Curriculum Grade 12 Chemistry IB Exam Preparation IB Chemistry Database Question Bank Class Links Glenview Park S.S. Main Page Google Drive Login 34. 43. Each of the following example will cover a basic experimental concept and then suggest some adaptions or different perspectives you could take. The internal assessment in chemistry on criteria is for 24 marks and has 20% of weightage in the total score. I'm looking for data on the properties of vinyl polymers. Investigate variables affecting water absorption polymers. The database includes liquid-liquid, solid-liquid, and gas-liquid systems. Periodicity & transition metals (1), 3 & 13. www.ibchemistrytutors.com avail highly experienced tutors for any given IB Subject.