February 22, 2017 in Chemistry. The IB chemistry IA is an investigative essay that seeks to explain the chemistry behind common real-world phenomena. 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)?". 4. 17 (varies with grade boundaries) or above . Could someone please explain how I can use a database for my Chemistry IA? Does vitamin C act as a radical scavenger and slow down the rate of free radical substitution? 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. 27 days ago. The basic procedure for an electroplating experiment can be found. Does the concentration of nitrate ions in soil affect the mass of water that smart polymer hydrogels can absorb? Clear editor. I've chosen a database topic, but I don't actually know where/how to find said databases. Chemistry Carl is a highly-qualified tutor, teacher and examiner with an outstanding track record of helping students to succeed. The pigments found in certain substances such as makeup products or coloured foods could also be investigated using paper or thin layer chromatography. James awarded it a mark of 7/24 which I felt fairly reflected its worth according to the IB assessment criteria. 38. Thank you!! It is mostly about how you treat your topic and how you present it. Iodine is an essential part of our diet and helps synthesise thyroid hormones to regulate metabolism. . 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. Before the pandemic it is significant that the May 2019 subject report stated only a small proportion of the IAs submitted were based on secondary data from databases - the overwhelming majority were based upon hands-on experimentation. How does the concentration of manganate(VII) affect the rate of the autocatalytic reaction with ethanedioate as measured by colorimetry? The value for bond enthalpy changes for different molecules depending on the nature of the other bonds in the molecule. What are good chemistry databases that can be used in the IA? Determine the concentration of biodiesel produced from fruits by using calorimetry. Really a very helpful article thanks for sharing and keep on sharing! 33. 3. Egg shell is a finish Like Matt finish, Low sheen, Egg shell, Semi gloss, Gloss etc. Click here to check them out! My only problem is that I'm having trouble turning my ideasinto reasonable research questions. This is an example of a redox reaction as the iron ions are oxidised and the potassium manganate(VII) solution is reduced. You could investigate how changing the atoms/groups attached to the central atom affects the shape/ bond angles of a molecule. Any simple topic could be used for your Chemistry IA. There is evidence of personal input and initiative in the designing, implementation or presentation of the investigation.. You could look at vitamin C tablets, different brands of orange juice or solid fruit and vegetables. Databases. 01 chem databases and simulations IA student samples. 45. 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. There are several reasons why you shouldnt do this: Firstly, one of the internal assessment criteria is Personal Engagement. What the IA is about within HL Chemistry? Using microscale chemistry to determine the relationship between solubility product and temperature for different metal halides. Balancing chemical equations using algebra, Choosing a Chemistry IA Research Question - chemistrytutor.me. 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. 12. 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. ChemistryViews ChemistryViews is the online science news magazine of Chemistry Europe. Your IB Chemistry IA will be evaluated based on - Personal Engagement, Exploration, Analysis, Evaluation and Communication. We publish practical and reliable organic, organometallic and inorganic chemical synthesis, reactions and procedures deposited by synthetic chemists. In your Chemistry IA, being creative for your topic is not a very key criteria. Periodicity & transition metals (2), 11 & 21. How does oxidant concentration affect the intensity of light produced from luminol? Investigating the effect of fermentation time and temperature on the pH of kimchi using acid-base titration. See why 94% of our customers said they would be likely to recommend Alloy.ai. 2014 DP Chemistry (Last exam Nov 2024) Practical scheme of work & IA. View Lab Report - IB Chemistry IA (1).pdf from ML 420 at Mira Loma High School. They depend on it to drive drug discovery projects. 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. 10. Another option would be a modelling software or website that can tell you the bond enthalpy/length for specific bonds within a molecule. Remember! 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. Is ease of thermal decomposition of metal carbonates related to their solubility? Investigate the esterification of soaps. document.write(new Date().getFullYear()) InThinking Provided by Robert Charles Knight and Aniruddha Warakoutikha. Vasy Kafidoff. See the Wizdom site for more information on the research collaboration cloud environment. 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! 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). You could use polarimetry to investigate the kinetics of a reaction in which the reactants/ products are optically active, for example, the catalysed. . help/tips would be greatly helpful! The activation energy for a catalysed versus an uncatalyzed reaction can be compared, to see by how much the catalyst lowers the activation energy. One of my students wants to conduct research about the amount of calcium in eggshells of different colors. Do expensive iron tablets contain more iron than cheaper vitamin tablets? 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. You could look at different types/ sources of salt and compare your experimental values to the stated values. It can be challenging because of the plethora of options students have. Clearly the standard at Foundations of Chemistry is not up to IB standards! Cookie Notice Does water temperature or pH most affect oxygen levels in lakes as measured using the Winkler method? 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. Here is list of 50 IB Chemistry IA Ideas. Quick disclaimer; my Biology IA was a database IA, so the majority of the tips I'll share in this post will specifically relate to writing a successful database IA. 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. So chemistry-wise I start with a broad base. You could investigate how the rate of reaction increases with increasing temperature, and whether there is an optimum temperature for the reaction. About us Compunnel Inc. Clinton, IA4 weeks agoBe among the first 25 applicantsSee who Compunnel Inc. has hired for this roleNo longer accepting applications. The resulting IA examiner comments are also provided for each chemistry IA. It'll help reduce work load for both students and teachers, while ensuring students get a deeper understanding and focus on the HL subjects. Found so much value from your post! Is the release of ibuprofen from different formulations dependent upon pH and temperature, measured using acid-base titration? Research questions are difficult to find and formulate where enough data from different sources can be utilized. 42. For example, by how much does the enzyme urease lower the activation energy for the hydrolysis of urea into ammonia and carbon dioxide. Your previous content has been restored. Pasted as rich text. 38. I'm looking for data on the properties of vinyl polymers. These include measuring changes in mass, gas released, colour of the solution, pH and conductivity to name a few! 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. Job DescriptionMust have: Mainframe, Cobol, SAS, CICS Job Title : Mainframe Developer Job Summary :See this and similar jobs on LinkedIn. DOC home page . 40. November 15th, 2021. 16. The enthalpy of a specific bond is defined as the amount of energy required to break one mole of the bond in gaseous molecules, calculated as an average value over a range of different molecules. 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. 19. The current programme reduced the overall component mark from 24% to 20%. Periodicity & transition metals (1), 3 & 13. also sounds too simplistic to me as you can quite easily predict that relationship. 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. Removal of electrons from either sigma bond, pi bond or nonbonding orbitals causes the ionization. Measurement, data processing & analysis (1), 11 & 21. The Rate of Decay of full fat and Skim Milks at Different Temperatures. For example, does increasing size of an alkyl group attached to the central atom have an effect? The chemistry IA examples have been marked, following the IB chemistry IA criteria, by official IB chemistry IA examiners. . You do not need to show the detail view of any table. Investigate the effect of solvents in paper chromatography and thin layer chromatography. IA Biology HL 6. If you are a student and wish to access these resources, ask your school to subscribe. 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! Privacy Policy. Investigating the bleaching of various food colourings to determine the rate constant. It seeks to assess your grasp of chemistry up to the level achieved in your coursework through practical application of the skills gained. 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. Which is the best catalyst for hydrogen peroxide decomposition, potato, liver, manganese oxide or potassium permanganate? Hello, Ive been struggling for a while to come up with a type of question to be able to do an IA with. So all in all a mediocre to poor report according to the IB assessment criteria. 36. Pasted as rich text. You cannot paste images directly. Using halide ion test to determine the activation energy for SN2 reactions of different halogenoalkanes with sodium hydroxide. 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. West Des Moines, IA. What I've been taught is that you should have a clear-cut independent and dependent variable, where you would an investigating the cause-effect relationship between them. InThinking Subject Sites for teachers & their classes, Only teachers can take out free trials or subscriptions to our subject sites at Volatility can be quantified and measured (e.g. Finding reliable and complete databases is important to make sure your results are accurate. 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.
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