What I realised after I had written it up for publication in Foundations of Chemistry was that effectively I had completed an individual scientific investigation using secondary data. December 13, 2017 in Chemistry. The page has two very different functions. What is the activation energy for the oxidation of luminol by hydrogen peroxide? Really a very helpful article thanks for sharing and keep on sharing! 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. 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. I'm looking for data on the properties of vinyl polymers. 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. 49. Investigate variables affecting water absorption polymers. These ideas have been extracted from our student guide, Chemistry Internal Assessment Standard & Higher Level, written by experienced teacher and author Dave Allen. You can use it to show your students how to write their IA report based upon secondary data so that it fulfils all the assessment criteria. IB Chemistry IA Ideas and Research Questions - chemistrytutor.me October 19, 2018 at 2:11 pm - Reply [] Secondly, some . The oxygen content of water in lakes or reservoirs can be measured using the Winkler method, which is described. 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. A more thorough procedure can be found. 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. To examine if oxalic acid or citric acid rust removers are more effective at higher temperatures using redox titration. 26. 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. The database includes liquid-liquid, solid-liquid, and gas-liquid systems. The marks broke down as: Personal engagement 1/2; Exploration: 2/6; Analysis: 2/6; Evaluation: 0/6 and Communication: 2/4. You still need both a theoretical model and data, even if you are not carrying out an experiment. Does cooking temperature affect the vitamin C content of kale as measured by iodometric titration? BONUS DOWNLOAD: A Checklist Guide to Writing a Perfect Chemistry IA. Online tuition Chemistry (2013) School entrance experience 35. Is the release of ibuprofen from different formulations dependent upon pH and temperature, measured using acid-base titration? My chemistry (SL) class has already begun the Internal Assesment and I've chosen to do a database IA. By accepting all cookies, you agree to our use of cookies to deliver and maintain our services and site, improve the quality of Reddit, personalize Reddit content and advertising, and measure the effectiveness of advertising. Sitemap. You could use polarimetry to investigate the kinetics of a reaction in which the reactants/ products are optically active, for example, the catalysed. Example IB Chemistry IA. If youre interested in getting additional support for your IA, we have a team of Chemistry IA tutors that can help you plan, structure and execute your assignment. Saponification is the process of converting fat/oils/lipids into soap, which is the salt of a fatty acid. Investigate the amount of CaCO3 in brown and white eggshells. Upload or insert images from URL. Will conclusion affect my point. Does cooking time affect how much oxalate is released from spinach? IB Survival LLC. InThinking Subject Sites for teachers & their classes, Only teachers can take out free trials or subscriptions to our subject sites at 5. Place a thermometer in the mouth of the can with a piece of cotton wool to prevent heat loss. You can post now and register later. 48. Job DescriptionMust have: Mainframe, Cobol, SAS, CICS Job Title : Mainframe Developer Job Summary :See this and similar jobs on LinkedIn. 'Utilization' - Relationships between topics, Relating Topics 4 & 14 to all the other topics, 3 & 13. Does the concentration of nitrate ions in soil affect the mass of water that smart polymer hydrogels can absorb? It'll help reduce work load for both students and teachers, while ensuring students get a deeper understanding and focus on the HL subjects. The extent to which the rate increases depends on the order of reaction with respect to each reactant. Search for content by subject in the Search field. All you have to do for chemistry is follow the syllabus, and you will be absolutely fine. It is up to the high standard of Foundations of Chemistry. Investigate the energy densities of fuels versus the bond strength (using a database). There is a variation of CaCo3 between the bases. The criteria are less easy to address than if hands-on work has been performed. 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). Title: The Effect of Changing Solutes on the Conductivity of a Solution Name: Kerry Jacobs Course: IB Chemistry Date: Measure the concentration of zinc ions in a dietary supplement. Find chemical and physical properties, biological activities, safety and toxicity information, patents, literature citations and more. | [] Dont just copy an existing IA you found online, such as one from my list here! Investigate the equivalence point of weak / strong acids and weak / strong bases. In this post, we give you 50 IB Biology IA Ideas to help you speed up your research process. Investigating whether ideal or non-ideal gases give a more accurate determination of absolute zero using volume-temperature ratio. Students are expected to perform at least one exercise using a database in order to fulfil Aims 6 & 7 in the Guide. Databases There are many free, open-access databases which can be used for tasks ranging from simple data-finding to more authentic retrieval and analysis. Could someone please explain how I can use a database for my Chemistry IA? ChemistryViews ChemistryViews is the online science news magazine of Chemistry Europe. 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 The IB chemistry IA is an investigative essay that seeks to explain the chemistry behind common real-world phenomena. By Investigating contents of EDTA in shower contents. There is currently much unease and worry by both teachers and students about Individual Scientific Investigations that are based on secondary data. 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. By To help with this, Ive produced a list of chemistry IA ideas, together with some example Research Questions (RQ). This is a list of ideas only, intended as a source of inspiration for students who are stuck for an idea. Privately organized database; information on chemical substances. 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. Using iodometric titration to investigate whether the amount of copper varies in different euro coins. I was thinking of investigating fragrance esters,specifically whether amount of unsaturation affects smell characteristics and volatility of the molecule? Ive also added James comments at the end of the report. Determine the concentration of biodiesel produced from fruits by using calorimetry. Investigate an aspect of a simple voltaic cell. If you have an account, sign in now to post with your account. Here is list of 50 IB Chemistry IA Ideas. In contrast, dyes are either liquids or soluble, but can be converted to pigments by precipitation with a metallic salt. The amount of iodine solution required for a complete oxidation of the vitamin C can be used to work out the vitamin content, which can be compared to the stated values. 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. So all in all a mediocre to poor report according to the IB assessment criteria. Does vitamin C act as a radical scavenger and slow down the rate of free radical substitution? It occurs in the presence of aqueous alkali and heat. To achieve the maximum score The evidence of personal engagement with the exploration is clear with significant independent thinking, initiative or creativity. Using spectrophotometry to investigate whether the CMC of quaternary ammonium salts is affected by pH. Remember, your IA reports may be a bit different from the past reports due to the type of the data used. Contact, Twitter Please let me know. 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. Websites and Databases for Research. 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. This page has Simulations and resources for high school students. Chemistry for Queensland Units 3&4 explores electrolytic cells using carbon electrodes. The University subscribes to many other databases in other disciplines that may be of interest to you, see the A-Z Databases website. Investigating the bleaching of various food colourings to determine the rate constant. For information on the Recruitment Incentive please reference the Additional Information section of . 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. constant? A search through any reputable academic chemistry journal will show that articles are almost never formatted this way. It is mostly about how you treat your topic and how you present it. The. Furthermore, you could then predict a reaction mechanism for the reaction and compare this with literature findings. It provides also a good selection of cited works. You could look at different types/ sources of salt and compare your experimental values to the stated values. Some natural pigments can be used as indicators as they change colour at certain pH values, for example the pigment curcumin found in turmeric. Investigate the solubility of salts (Ksp values). Does the temperature at which the titration takes place have an effect on the amount of iodine released from the salt? 85% (130) 85% found this document useful (130 votes) 195K views. This expanded the report to eleven pages. Does the amount of aspirin in different brands accurately match the label? 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. 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. IB Survival LLC. Investigate the effect of different sacrificial metals on the rusting of iron. Fragmentation is a type of chemical dissociation, in which the removal of the electron from the molecule results in ionization. How does oxidant concentration affect the intensity of light produced from luminol? Databases. 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. Investigate the catalytic abilities of different transition and metal oxides. 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. 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 . Compunnel Inc. Clinton, IA4 weeks agoBe among the first 25 applicantsSee who Compunnel Inc. has hired for this roleNo longer accepting applications. 47. ChemSpider Synthetic Pages "ChemSpider SyntheticPages is a freely available interactive database of synthetic chemistry. 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. 32. 33. Investigate the hardness of water from different local sources. 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. The ideas presented here are exactly that ideas, not research questions. To investigate whether different iron complexes used in vitamin tablets are affected by pH using manganate(VII ) titration. Onmy page on History of Internal Assessment I have detailed how the IA assessment has changed over the years. We use cookies to ensure that we give you the best experience on our website. Possible factors include the concentration of the alkali used, the temperature at which the reaction occurs or the length of the saponification reaction. The Internal Assessment (IA) is a mini-research project. Investigate an equilibrium position and Le Chateliers principle spectroscopically. 02 chem experimental IA student examples. The questions are not as varied as physics, where you have to apply a concept to various different types of questions. Paste as plain text instead, 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. You do not need to show the detail view of any table. You can compare different brands of indigestion tablet that contain different active ingredients. Atoms with atomic number less than 36 (Krypton) with only . An important part of the course which requires 10hrs of work for both HL and SL student. The biology IA examples have been marked, following the IB biology IA criteria, by official IB biology IA examiners. However, surely the IB should be rewarding real chemistry not insisting on mindless box ticking particularly if final grades are going to depend upon it. Over 50 Chemistry Simulations, from Acid-Base Solutions to Wave on a String. etc. 5. Determine the enthalpy change of the thermal decomposition of sodium hydrogen carbonate. The resulting IA examiner comments are also provided for each biology IA. Does storage temperature affect the purity of washing soda crystals, determined using acid-base titration to find waters of crystallisation? Hi, Im not sure I understand the question eggshell colour is due to the presence of pigments rather than Ca2+ ion concentration? 3. Online Chemistry Tutor for A Level and IB | Dr Carl Thirsk. Investigating the relationship between consumption of fat and carbohydrates per capita per day measured in kcal and share of adult obesity in a country as a percentage of the population. Notify me of follow-up comments by email. Do not attach the full screen print. If you are a student and wish to access these resources, ask your school to subscribe. The Rate of Decay of full fat and Skim Milks at Different Temperatures. Does water temperature or pH most affect oxygen levels in lakes as measured using the Winkler method? Urease is found naturally in soil, so urea is used as a fertiliser to release ammonia. 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. Investigate the rate of evaporation of a liquid with respect to its temperature. How does the concentration of manganate(VII) affect the rate of the autocatalytic reaction with ethanedioate as measured by colorimetry? 42. This is an example of a redox reaction as the iron ions are oxidised and the potassium manganate(VII) solution is reduced. Search for content by subject in the Search field. And unlike biology, you don't have to memorize every single thing. Investigate the effect of pH on the rate of rusting. Pasted as rich text. 12. 45. Example IB Chemistry IA - Free download as PDF File (.pdf), Text File (.txt) or read online for free. Does boiling time effect the protein concentration in milk, measured using bicinchoninic acid assay and colorimetry? Determine the activation energy of iodine-clock reaction. Since access to school laboratories worldwide has been severely restricted or has been completely unavailable for long periods during the past year this has all changed. Posted 6:53:51 PM. This page has Simulations and resources for high school students. 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. Royal Society of Chemistry Resources, videos and screen experiments for teachers and students. The effect of temperature, pH or salinity on oxygen content could be investigated as one of your IB Chemistry IA ideas. 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. 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. It scored 20/24 (which, according to the boundaries of the M20 session, was a 7). The amount of phosphate present in soil samples can be determined using a. Which type of eggshells contain most calcium as measured using precipitation reactions? All articles are only published after being peer-reviewed and approved by the editorial board. West Des Moines, IA. 1. There are also some freely available chemical databases on the web. You cannot paste images directly. 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. 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)? which are specifically designed for self study and revision. 3. There are many different ways to measure the rate of reaction depending on the particular reaction. Please do not just copy directly from this list! Acid-base titrations can also be used to assess the acidity of fermented foods and drinks such as sauerkraut and kombucha. Using microscale chemistry to determine the relationship between solubility product and temperature for different metal halides. His students consistently achieve top grades, and a high proportion every year progress to study medicine, dentistry, veterinary medicine,. 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.