Below I will attach a PDF of my Chemistry IA (submitted for Chemistry HL). I'm not asking for a research question, but could you give me some tips on how to turn ideas into viable research questions. Does the critical micelle concentration of Triton and Tergitol type surfactants affect their detergent ability? Is sublimation of salicylic acid after decomposition a reliable way to judge stability of aspirin tablets? Measure the concentration of zinc ions in a dietary supplement. 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)? The research question ends up being something along the lines of, "To what extent does (independent variable) affect (dependent variable) at (blah blah specific conditions or variations youll have)?". All you have to do for chemistry is follow the syllabus, and you will be absolutely fine. Powered by Invision Community, IB Survival is now part of Lanterna Education. 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. Removal of electrons from either sigma bond, pi bond or nonbonding orbitals causes the ionization. 45. Over 50% of my students achieved a 6 or 7 in their IA component. It was then sent off to be marked by James and came back with the mark of 24/24 with glowing comments. Strangely, despite me thinking that my Chemistry IA was the best out of all my science IAs, it scored the lowest mark among them. Investigating the bleaching of various food colourings to determine the rate constant. 25. 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. Investigate chemical equilibria (determine Kc for a reaction). Calculate the Kw for water at different temperatures by measuring its pH. 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. Investigate variables affecting water absorption polymers. 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. My first IA did not work out at all and my deadline is approaching soon. An important part of the course which requires 10hrs of work for both HL and SL student. Privacy Policy. Egg shell is a finish Like Matt finish, Low sheen, Egg shell, Semi gloss, Gloss etc. Your previous content has been restored. If you continue to use this site we will assume that you are happy with it. For your privacy and protection, when applying to a job online, never give your social security number to a prospective employer, provide credit card or bank account information, or perform any sort of monetary transaction. Investigating whether ideal or non-ideal gases give a more accurate determination of absolute zero using volume-temperature ratio. Tables are not explained, and data is not processed. The criteria are less easy to address than if hands-on work has been performed. 27. Upload or insert images from URL. It can be challenging because of the plethora of options students have. Does wavelength of UV light affect the products obtained from the reaction between ethane and chlorine, determined using NMR spectroscopy? However, He cant explain to himself the relationship between water and calcium ion concentration. Do more expensive nappies contain better hydrogels that absorb water faster? www.thinkib.net. Privately organized database; information on chemical substances. Clear editor. and our 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. We provide the following chemistry databases: CSD - a Cambridge Structural Database system and related Mercury, ConQuest, SuperStar, IsoStar, and Mogul programs; RTAM - a bibliographic database of relativistic calculations on atoms and molecules; Free databases on the web. Is the absorbance of light by transition metal complex related to the ligand charge? Is their a correlation between metal ion charge and wavelength of light absorbed by transition metal complexes? Investigate the effect of the length a salt bridge has on the dipped voltage produced by a voltaic cell. See also this Chemical Data guide. Database based Exploring how algae samples' primary productivity changes with temperature, algae concentration, other aquatic plants, turbidity, salinity, nutrients, and other factors. Investigate the % of chlorine in different bleaches or swimming pool water on different days. Does the charge density of the salt ions affect the partition ratio for caffeine extraction from water with different solvents? Hello Astridde, glad you find the article useful. For example, does increasing size of an alkyl group attached to the central atom have an effect? Indigestion is caused by acid in the stomach, which can be neutralised with indigestion tablets. Phosphorus is needed by plants in order to produce amino acids and hence proteins. Is the release of ibuprofen from different formulations dependent upon pH and temperature, measured using acid-base titration? By Virtual Labs The data collection effort has been conducted in an effort with the Materials Genome Initiative in an effort to increase materials discovery. Find chemical and physical properties, biological activities, safety and toxicity information, patents, literature citations and more. How is the fluorescence wavelength of fluorophores present in tumeric affected by solvent polarity measured by spectroscopy? I examined the new IAs for the IBO, and I also developed and lead teacher training workshops for ICT in chemistry. Investigate the esterification of soaps. 30. 48. Databases. Hope it helps. [] Dont just copy an existing IA you found online, such as one from my list here! Investigate the catalytic abilities of different transition and metal oxides. Example IB Chemistry IA - Free download as PDF File (.pdf), Text File (.txt) or read online for free. Upload or insert images from URL. 50. The concerns are many but essentially they are: I have two other concerns. Search chemicals by name, molecular formula, structure, and other identifiers. IB Chemistry IA Ideas and Research Questions, 50+ Chemistry IA Ideas with Research Question Examples, One of the biggest challenges facing students taking IB chemistry is coming up with a good Internal Assessment (IA) idea, Chemistry IA topics on electrochemistry (voltaic cells, voltammetry, electrolysis), Chemistry IAs involving microscale chemistry, IA topics using photoconductivity (measuring light intensity), IAs involving polarimetry (measuring optical rotation), Chemistry IA topics involving redox titration, Chemistry IA topics based around synthesis, Limiting and excess reactants in chemistry, Easy way to balance chemical equations for GCSE. NIST Chemical Kinetics Database Standard Reference Database 17, Version 7.1 (Web Version), Release 1.6.8 Data Version 2023 A . Alloy.ai Named a Leader in Retail Analytics. Does the ethanoic acid concentration vary in vinegars obtained from different grains? This can be investigated using an acid-base titration. Search for content by subject in the Search field. DOC home page . 13. r/IBO. Studying the vanishing cross reaction between hydrochloric acid and sodium thiosulfate using titration, Using the initial rates method to measure the activation energy for the clock reaction between iodide and peroxydisulfate ions, Investigating the relationship between brewing time and manganese ion content in tea using colorimetry. Remember, your IA reports may be a bit different from the past reports due to the type of the data used. You can post now and register later. Investigate the enthalpy change of a redox reaction. Using spectrophotometry to investigate whether the CMC of quaternary ammonium salts is affected by pH. 28. Sitemap. Is the concentration of oxalate, measured by redox titration, in cooking water from foods like spinach affected by the water temperature and pH? In line with the IB Learner Profile, "Act with integrity and honesty". Investigate the factors affecting the rate of reaction between iodine and propanone. 34. What are good chemistry databases that can be used in the IA? What is the iodine number of different cooking oils? His students consistently achieve top grades, and a high proportion every year progress to study medicine, dentistry, veterinary medicine,. Using the half-life method and colorimetry to determine the activation energy for aspirin hydrolysis at different pH values, Determining the pKa value for ibuprofen from pH curves using the half-equivalence method. Is ease of thermal decomposition of metal carbonates related to their solubility? 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. Investigate the energy densities of fuels versus the bond strength (using a database). 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. This work can be on primary or secondary data but well analyzed and critically evaluated. Help us improve CareerBuilder by providing feedback about this job: Report this job Job ID: 7BD72A3F29FCA7C0B191AF52B99. Only 7 pages - it does not feel like 10 hours effort. The. You could determine the pKa values and pH ranges of natural indicators using. There are certain essential criteria that an RQ must meet to guarantee a well-performing IA. 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. Within each topic listed below, we include the basic reasons for investigating each topic, what the possible independent variables and dependent variables are as well as the basic experimental setup! 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. 7. It should be clear from these guidelines that you need to choose your own project and completely own it. Job DescriptionMust have: Mainframe, Cobol, SAS, CICS Job Title : Mainframe Developer Job Summary :See this and similar jobs on LinkedIn. A calorimeter can also be used to work out how many calories are in different types of food and drink. books@peakib.com | Tel (UK): +44 (0) 330 113 5644 | More contact details, Your companion to the IB Diploma Programme. $131,178 Yearly. Investigate an aspect of a simple voltaic cell. Investigate factors affecting electroplating. To probe whether water acidity affects the calcium ion concentration measured using EDTA complexometric titration. To examine if oxalic acid or citric acid rust removers are more effective at higher temperatures using redox titration. Investigating the relationship between metal ion charge density and thermal stability using thermal decomposition experiments. This guide is suitable for both Standard Level and Higher Level candidates. Periodicity & transition metals (2), 11 & 21. November 15th, 2021. 20 Topic Ideas to Get You Started on your Chemistry IA 1. So all in all a mediocre to poor report according to the IB assessment criteria. Does water temperature affect the caffeine concentration of tea? The CSD is used in almost every chemistry department worldwide by universities and pharmaceutical companies. This expanded the report to eleven pages. Is the enthalpy of neutralisation for different acids and alkalis aways 55 kJ mol per mole? In 2010 Eugen Schwarz wrote a paper claiming that theoretical quantum mechanical calculations lead to the conclusion that the 3d level is lower in energy than the 4s level in transition elements. See the Wizdom site for more information on the research collaboration cloud environment. 37. Chemistry Library List of useful databases These databases are of particular interest for chemists. 02 chem experimental IA student examples. IB Chemistry IA Topics That ROCK | 50+ Ideas for SL and HL. For more information, please see our As biosciences become increasingly informatic in nature, knowing how to access, use and interpret is a valuable skill. Redox titration can also be used to determine the vitamin C content of foods and drinks. Measurement, data processing & analysis (1), 11 & 21. It is not a list of ready-made IAs for students to copy, so do not copy directly . Do rust removers containing oxalic acid work better if they are used hot? 10. Chemistry IA - Free download as Word Doc (.doc / .docx), PDF File (.pdf), Text File (.txt) or read online for free. Soil also contains other important elements such as nitrogen and iron, which can also be tested for using experimental techniques. 6. Here are two examples of database labs in chemistry. 20. www.ibchemistrytutors.com avail highly experienced tutors for any given IB Subject. Investigate an equilibrium position and Le Chateliers principle spectroscopically. Your IB Chemistry IA will be evaluated based on - Personal Engagement, Exploration, Analysis, Evaluation and Communication. We suggest you use these International baccalaureate biology IAs to get IB biology IA ideas and explore possible biology IA topics for your own Internal . I was thinking of investigating fragrance esters,specifically whether amount of unsaturation affects smell characteristics and volatility of the molecule? How is the rate of SN2 reactions affected by the carbon-halogen bond strength? Record the initial temperature of the water. 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. 10 Examples of formatting data tables. rawan1408, Does the lattice enthalpy of different salts affect how effectively they melt ice? The page has two very different functions. The resulting IA examiner comments are also provided for each biology IA. Furthermore, you could then predict a reaction mechanism for the reaction and compare this with literature findings. Any ideas how I could incorporate something to do with seaweed? Onmy page on History of Internal Assessment I have detailed how the IA assessment has changed over the years. You could investigate how soil quality changes along a transect, or take samples from different brands of soil to compare. 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. It scored 23/24 (which, according to the boundaries of the M20 session, was a 7). Complexometric titration can also be used to measure the hardness of water, so you could look at how the hardness of different brands of mineral waters vary, or if the hardness varies with temperature or pH. This is a project that accounts for 20% of your final grade. It does not consider the identity of the atoms or groups attached to the central atom however, and this does have an effect. 12. The pigments found in certain substances such as makeup products or coloured foods could also be investigated using paper or thin layer chromatography. Does cooking time affect how much oxalate is released from spinach? Saponification is the process of converting fat/oils/lipids into soap, which is the salt of a fatty acid. For enzyme-catalysed reactions, you could identify at which temperature the enzyme is denatured. You can post now and register later. Online Chemistry Tutor for A Level and IB | Dr Carl Thirsk. constant? A search through any reputable academic chemistry journal will show that articles are almost never formatted this way. Place a heat mat under the can. Compare the percentage of vitamin C in various brands of juice. Is the hydrolysis of aspirin in the stomach affected by the presence of metal ions? Chemistry for Queensland Units 3&4 explores electrolytic cells using carbon electrodes. Urease is found naturally in soil, so urea is used as a fertiliser to release ammonia. 3. Databases in IB Bio There is a variation of CaCo3 between the bases. My chemistry teacher hasn't really explained how to do our IA and I'm running out of time. 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. 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! For example, how does the bond enthalpy for the C-H bond vary as the length of the alkane increases? ACS A leading publisher of authoritative scientific information. 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. 1.8K subscribers Go through marking of homework IA ( shared in IB Chem teachers facebook group ) and share a 24/24 Database IA Thankyou all for watching - next session in 2 weeks Link to the. Check them out by clicking here! [2] This can take place by a process of homolytic cleavage or homolysis or heterolytic cleavage or heterolysis of the bond. None of the words variable, dependent, independent and constant appear even once in the assessment criteria. Thank you!! James awarded it a mark of 7/24 which I felt fairly reflected its worth according to the IB assessment criteria. 41. You could look at vitamin C tablets, different brands of orange juice or solid fruit and vegetables. Investigate the speed of neutralisation of antacids from different sources. 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. Facebook The data collection effort started in 2014 with a trial system of aluminum, magnesium, and silicon (and their binaries and ternary system data). Online tuition Chemistry (2013) School entrance experience We use cookies to ensure that we give you the best experience on our website. Scribd is the world's largest social reading and publishing site. 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. . 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. 14. BONUS DOWNLOAD: A Checklist Guide to Writing a Perfect Chemistry IA. You could investigate the factors that affect the thickness of the metal layer produced, for example the voltage, electrolyte concentration, the charge on the metal ion in solution or the length of time that the current runs for. Consequently, a well formed Research Question is essential to ensure a high quality IA. Your link has been automatically embedded. 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. 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 back titration to investigate whether the concentration of aspirin from more expensive tablets is higher after 30 minutes than from cheaper ones. How does fermentation time effect the amount of salt in miso paste, determined via argentometric titration (Volhard method)? I sent it without any explanation as to why I was doing it to James Midgley who has produced some excellent webinars and videos on how to achieve a high IA mark particularly using secondary data. Notify me of follow-up comments by email. Investigate the amount of CaCO3 in brown and white eggshells. Using iodometric titration to investigate whether the amount of copper varies in different euro coins. 37. About us 21. Investigating the effect of fermentation time and temperature on the pH of kimchi using acid-base titration. Acid-base titrations can also be used to assess the acidity of fermented foods and drinks such as sauerkraut and kombucha. Students are expected to perform at least one exercise using a database in order to fulfil Aims 6 & 7 in the Guide. Gaining full marks for a databased IA 2014 DP Chemistry (Last exam Nov 2024) Practical scheme of work & IA Internal Assessment Gaining full marks for a databased IA I've made this a free page so that any IB chemistry teacher can access it for educational purposes. It'll help reduce work load for both students and teachers, while ensuring students get a deeper understanding and focus on the HL subjects. Could you please elaborate so I can explain him? During the lockdown enforced by the Covid pandemic I decided to investigate the validity of this experimental evidence by looking at the atomic spectra of relevant atoms and ions.
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