Saponification is the process of converting fat/oils/lipids into soap, which is the salt of a fatty acid. Or how does the type of intermolecular bonding present in a fuel affect the enthalpy of combustion? We use cookies to ensure that we give you the best experience on our website. The IB chemistry IA is an investigative essay that seeks to explain the chemistry behind common real-world phenomena. Posted: January 03, 2023. Volatility can be quantified and measured (e.g. You could investigate how changing the atoms/groups attached to the central atom affects the shape/ bond angles of a molecule. My chemistry (SL) class has already begun the Internal Assesment and I've chosen to do a database IA. In my current life I teach exclusively diploma chemistry, so I get to mentor more student projects than probably anyone else. Cookie Notice These concern developing experimental and investigative scientific skills including the use of current technologies and the . 30. IA Chemistry HL 6 The impact of temperature on dissolved oxygen concentration IA Chemistry HL 7 What is the relationship between the temperature of the solution (K) and rate of decomposition (cm3 s -1 ) of carbonic acid (H2CO3) to carbon dioxide (CO2) and water (H2O), and, hence, what is the activation energy (kJ mol-1 ) of this reaction? We respect your privacy. Pasted as rich text. Despite this, in order for students to gain high marks, the RQ is almost required to be written in the form of How does altering variable A affect variable B whilst keeping variables W, X, Y, Z etc. Display as a link instead, 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. 18. How does oxidant concentration affect the intensity of light produced from luminol? See why 94% of our customers said they would be likely to recommend Alloy.ai. This work can be on primary or secondary data but well analyzed and critically evaluated. The energy content of different fuels can be compared. Hi, Im not sure I understand the question eggshell colour is due to the presence of pigments rather than Ca2+ ion concentration? 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. 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. Is the oxygen level in my local canal enough to satisfy the biological oxygen demand (BOD) for fish? Any help you can give is appreciated. 4. Finding reliable and complete databases is important to make sure your results are accurate. (Hint - there are 4 relations in 3NF form) Points: 8 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. Investigate a factor influencing retention in paper chromatography of amino acids. 25. 37. 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. Acid-base titrations can also be used to assess the acidity of fermented foods and drinks such as sauerkraut and kombucha. 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. For more information, please see our Paste as plain text instead, 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. 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. www.ibchemistrytutors.com avail highly experienced tutors for any given IB Subject. Can aspirin be prepared using microwave heating instead of a water bath? By 29. Online tuition Chemistry (2013) School entrance experience The RQ is unfocused and unclear impossible to understand what the aims are, Project is just a series of measurements or a synthesis, rather than an investigation. Job DescriptionMust have: Mainframe, Cobol, SAS, CICS Job Title : Mainframe Developer Job Summary :See this and similar jobs on LinkedIn. Paste as plain text instead, 6. IB Survival LLC. Determine the activation energy of iodine-clock reaction. 17. 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 . Databases in IB Bio The ideas presented here are exactly that ideas, not research questions. Example IB Chemistry IA. How does the size and charge of spectator ions affect the value for the enthalpy of neutralisation, measured using calorimetry? Several tips I would recommend: Find a personal topic which is of interest to you to introduce what stimulated your inclination to this . A student's Research Question, or RQ, is the starting point for their IA. 1. Investigate the factors affecting the colours of transition metal compounds (through the use of a colorimter). Its aim is to give examples showing how different topics in the IB chemistry syllabus can be linked to real-world investigations. You cannot paste images directly. Removal of electrons from either sigma bond, pi bond or nonbonding orbitals causes the ionization. Periodicity & transition metals (1), 3 & 13. Any simple topic could be used for your Chemistry IA. 3. The biology IA examples have been marked, following the IB biology IA criteria, by official IB biology IA examiners. Investigate the effect of different ionic salts on the freezing point depression of water. So all in all a mediocre to poor report according to the IB assessment criteria. Positions under this announcement are being filled using a D irect Hire Authority (DHA) and Recruitment Incentive is authorized for eligible, highly-qualified applicants. 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. Phosphorus is needed by plants in order to produce amino acids and hence proteins. Packed with tips and hints to help you avoid common errors, the guide will help keep your IA planning and execution on track. Is ease of thermal decomposition of metal carbonates related to their solubility? and our You could investigate why and how the value for a particular bond enthalpy changes depending on the overall molecule in which it is found. Virtual Labs . It provides also a good selection of cited works. Redox titration can also be used to determine the vitamin C content of foods and drinks. For example, how does the bond enthalpy for the C-H bond vary as the length of the alkane increases? An important part of the course which requires 10hrs of work for both HL and SL student. Find chemical and physical properties, biological activities, safety and toxicity information, patents, literature citations and more. For information on the Recruitment Incentive please reference the Additional Information section of . So chemistry-wise I start with a broad base. If youre interested in getting additional support for your IA, we have a team of Chemistry tutors that can help you plan, structure and execute your assignment as well as help with your exams! The data collection effort has been conducted in an effort with the Materials Genome Initiative in an effort to increase materials discovery. It occurs in the presence of aqueous alkali and heat. Royal Society of Chemistry Resources, videos and screen experiments for teachers and students. This guide is suitable for both Standard Level and Higher Level candidates. Do rust removers containing oxalic acid work better if they are used hot? Clear editor. Contact, Twitter There is evidence of personal input and initiative in the designing, implementation or presentation of the investigation.. This page has Simulations and resources for high school students. document.write(new Date().getFullYear()) InThinking You can post now and register later. Shoul I do this experiment? However, He cant explain to himself the relationship between water and calcium ion concentration. 19. How is the fluorescence wavelength of fluorophores present in tumeric affected by solvent polarity measured by spectroscopy? Does thermal decomposition allow unknown salts to be identified? InThinking Subject Sites for teachers & their classes, Only teachers can take out free trials or subscriptions to our subject sites at Calculate the Kw for water at different temperatures by measuring its pH. Hope it helps. 16. Hello, Ive been struggling for a while to come up with a type of question to be able to do an IA with. West Des Moines, IA. Clear editor. Chemistry for Queensland Units 3&4 explores electrolytic cells using carbon electrodes. Although the journal focuses on the original research articles, it also welcomes reviews and short notes. Chemistry IA - Free download as Word Doc (.doc / .docx), PDF File (.pdf), Text File (.txt) or read online for free. You can post now and register later. Investigate the esterification of soaps. How is the rate of SN2 reactions affected by the carbon-halogen bond strength? 2 4 comments Best Add a Comment Rayford_Beez 4 yr. ago Depends on what you need it for. Chemistry Databases. 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. The basic procedure for an electroplating experiment can be found. November 15th, 2021. Detailed instructions for the experiment can be found. Is the release of ibuprofen from different formulations dependent upon pH and temperature, measured using acid-base titration? 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. Although students are only supposed to deal with their own supervisor who is able to comment on the final draft there is nothing to stop students collaborating with other students and there are even websites now where IB teachers offer to help individual students with their IA for the payment of a fee. Using the vanishing cross method to determine the order of reactions when sodium thiosulfate and hydrochloric acid react, Evaluating the rate law and rate constant for the kinetics of the bleaching reactions of some common dyes using spectrometry, Determining the optimum temperature for the breakdown of hydrogen peroxide by catalase found in liver. It is up to the high standard of Foundations of Chemistry. 35. The extent to which the rate increases depends on the order of reaction with respect to each reactant. I'm looking for data on the properties of vinyl polymers. If you continue to use this site we will assume that you are happy with it. 45. Your link has been automatically embedded. 5. The issue I can see to begin with is you have two dependent variables, volatility and smell characteristics. Investigate the effect of soil pH on the chlorophyll content in plant leaves. I am sure IB will consider this in their guidance pack they share with examiners/moderators nearer the time of exam period. 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. Compare the percentage of vitamin C in various brands of juice. Do note there is a 12 page limit. Investigate whether oxidation of tea / coffee changes its pH. You could compare these two methods to see which gives more accurate results. 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. IB Chemistry IA ideas 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. 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. My chemistry teacher hasn't really explained how to do our IA and I'm running out of time. PB_19, 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. 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. Over 50 Chemistry Simulations, from Acid-Base Solutions to Wave on a String. You could investigate which factors or methods increase the yield of the experiment, for example temperature or method of heating, as one of your IB Chemistry IA ideas. The amount of phosphate present in soil samples can be determined using a. Some natural pigments can be used as indicators as they change colour at certain pH values, for example the pigment curcumin found in turmeric. Urease is found naturally in soil, so urea is used as a fertiliser to release ammonia. A mass change and signs of electroplating were observed. 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. Can Charles Law be used to accurately determine absolute zero? Can you please help? The energy content of different fuels can be compared using a. Which types of indigestion medicines are fastest at neutralising stomach acid? 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. Investigate the effect of the length a salt bridge has on the dipped voltage produced by a voltaic cell. 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. 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. Investigating the effect of fermentation time and temperature on the pH of kimchi using acid-base titration. This page has Simulations and resources for high school students. Thank you, Hi, thanks for this nice article! ChemistryViews ChemistryViews is the online science news magazine of Chemistry Europe. 38. One of the major challenges students of International Baccalaureate is finding and selecting a topic for the essay and rightly so. 10 Examples of formatting data tables. Investigate the effect of pH on the rate of rusting. Linking volatility and your independent variable (number of double bonds?) 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. Investigating contents of EDTA in shower contents. Investigate a weak acid-strong base titration (determine the Ka of a weak acid). Strugglingfor IB Chemistry IA Ideas? Investigate variables affecting water absorption polymers. You could find a compound that you are particularly interested in and synthesise it in the laboratory. which are specifically designed for self study and revision. To examine if oxalic acid or citric acid rust removers are more effective at higher temperatures using redox titration. You could compare the experimental value with the stated value, and look at different brands of iron tablet. For example, changing the temperature of the titration reaction, or heating to a higher heat or for a longer period of time in the thermal decomposition reaction. Research questions are difficult to find and formulate where enough data from different sources can be utilized. Full-Time. 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! Soil also contains other important elements such as nitrogen and iron, which can also be tested for using experimental techniques. help/tips would be greatly helpful! Provides access to scholarly journals and magazines covering the latest scientific developments. Fragmentation is a type of chemical dissociation, in which the removal of the electron from the molecule results in ionization. books@peakib.com | Tel (UK): +44 (0) 330 113 5644 | More contact details, Your companion to the IB Diploma Programme. In your Chemistry IA, being creative for your topic is not a very key criteria. There is currently much unease and worry by both teachers and students about Individual Scientific Investigations that are based on secondary data. Investigating how water pH affects chlorophyll degradation at different temperatures using spectrophotometry, Using spectroscopy to investigate chlorophyll fluorescence. Legal 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 the relationship between metal ion charge density and thermal stability using thermal decomposition experiments. It was then sent off to be marked by James and came back with the mark of 24/24 with glowing comments. The database includes liquid-liquid, solid-liquid, and gas-liquid systems.
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