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. Weigh a sample of food and place it on a paper clip, with a piece of aluminium under the food sample to collect any burnt material. Does the ethanoic acid concentration vary in vinegars obtained from different grains? Investigating contents of EDTA in shower contents. Determine the concentration of biodiesel produced from fruits by using calorimetry. 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. James awarded it a mark of 7/24 which I felt fairly reflected its worth according to the IB assessment criteria. 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 use polarimetry to investigate the kinetics of a reaction in which the reactants/ products are optically active, for example, the catalysed. Ive grouped them together according to the main experimental technique or measurement method. 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! It is mostly about how you treat your topic and how you present it. For information on the Recruitment Incentive please reference the Additional Information section of . Here are two examples of database labs in chemistry. 13. How does the concentration of manganate(VII) affect the rate of the autocatalytic reaction with ethanedioate as measured by colorimetry? 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. 38. Now many students are having to cope with an investigation based on secondary data. 47. Investigate the effects of heterogeneous catalysis on the activation energy of a reaction. So chemistry-wise I start with a broad base. Online Chemistry Tutor for A Level and IB | Dr Carl Thirsk. Investigate the factors affecting the rate of reaction between iodine and propanone. IB Chemistry IA Ideas and Research Questions - chemistrytutor.me October 19, 2018 at 2:11 pm - Reply [] Secondly, some . Only 7 pages - it does not feel like 10 hours effort. Hello, Ive been struggling for a while to come up with a type of question to be able to do an IA with. The IB should make IAs a part of only HL subjects. A mass change and signs of electroplating were observed. By Lots of people are anaemic and have to take iron tablets as a result. 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. Below you can explore some examples of such IA topics that are sure to score highly on the IA criteria! Iodine is an essential part of our diet and helps synthesise thyroid hormones to regulate metabolism. 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. Is IB chemistry harder than A Level chemistry? Royal Society of Chemistry Resources, videos and screen experiments for teachers and students. You could determine the pKa values and pH ranges of natural indicators using. 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. Chemistry Library List of useful databases These databases are of particular interest for chemists. Finding reliable and complete databases is important to make sure your results are accurate. Within the finish, there are many colours produced depending on the paint company from 100 to 10000. The amount of phosphate present in soil samples can be determined using a. For enzyme-catalysed reactions, you could identify at which temperature the enzyme is denatured. If you are interested in medicinal chemistry, you could try synthesising. The issue I can see to begin with is you have two dependent variables, volatility and smell characteristics. The energy content of different fuels can be compared. 9. DOC home page . 30. I examined the new IAs for the IBO, and I also developed and lead teacher training workshops for ICT in chemistry. 36. If you are looking for a bit of inspiration to kick your Chemistry brain into gear, check out our list of 50 ideas for your IB Chemistry IA below. Attach a screen print of your Logical Design showing all relations fully expanded. 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. Another option would be a modelling software or website that can tell you the bond enthalpy/length for specific bonds within a molecule. Do note there is a 12 page limit. How do light intensity and temperature affect the stability of unsaturated oils, determined by measuring iodine number? As biosciences become increasingly informatic in nature, knowing how to access, use and interpret is a valuable skill. Determine the percentage of iron in an iron compound by a redox titration. Calculate the Kw for water at different temperatures by measuring its pH. To probe whether water acidity affects the calcium ion concentration measured using EDTA complexometric titration. This is a list of ideas only, intended as a source of inspiration for students who are stuck for an idea. A polarimeter is a device that measures the rotation of polarised light as it passes through an optically active fluid. 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. Do other transition metals apart from iron(II) catalyse the iodine-clock reaction? Determine the amount of copper in coins using colorimetric analysis. A leading publisher of authoritative scientific information. 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. It'll help reduce work load for both students and teachers, while ensuring students get a deeper understanding and focus on the HL subjects. These include measuring changes in mass, gas released, colour of the solution, pH and conductivity to name a few! One of my students wants to conduct research about the amount of calcium in eggshells of different colors. You could look at vitamin C tablets, different brands of orange juice or solid fruit and vegetables. In contrast, dyes are either liquids or soluble, but can be converted to pigments by precipitation with a metallic salt. Place a thermometer in the mouth of the can with a piece of cotton wool to prevent heat loss. Which factor, UV light, temperature or pH has the greatest effect on the denaturation of lipase measured using UV-VIS spectroscopy? There are many different ways to measure the rate of reaction depending on the particular reaction. The page has two very different functions. The resulting IA examiner comments are also provided for each chemistry IA. You can see the results of my investigation on a separate page on this website. You can compare different brands of indigestion tablet that contain different active ingredients. 17 pages. 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. 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. [] Dont just copy an existing IA you found online, such as one from my list here! If you continue to use this site we will assume that you are happy with it. Investigate the effect of pH on the rate of rusting. Over 50% of my students achieved a 6 or 7 in their IA component. These ideas have been extracted from our student guide, Chemistry Internal Assessment Standard & Higher Level, written by experienced teacher and author Dave Allen. Your previous content has been restored. We wont spam you with irrelevant messages or pass your details to other companies, and you can unsubscribe at any time by following the instructions in any email we send. West Des Moines, IA. Designed by Harvard tutors to allow you exceed beyond expectations. 194. You could investigate why and how the value for a particular bond enthalpy changes depending on the overall molecule in which it is found. 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. And unlike biology, you don't have to memorize every single thing. 37. 10 Examples of formatting data tables. Using halide ion test to determine the activation energy for SN2 reactions of different halogenoalkanes with sodium hydroxide. 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. 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. *LINK TO MY BIOLOGY IA* Download. Is the oxygen level in my local canal enough to satisfy the biological oxygen demand (BOD) for fish? Investigate the rate of adsorption of organic acids on charcoal. Ive also added James comments at the end of the report. 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 . Is the release of ibuprofen from different formulations dependent upon pH and temperature, measured using acid-base titration? Provides access to scholarly journals and magazines covering the latest scientific developments. Clearly the standard at Foundations of Chemistry is not up to IB standards! The statements are deliberately broad and, if you decide to use any of these ideas, you should be as specific as you can. You could then work out the percentage yield of the experiment by comparing your experimental yield to the theoretical yield. 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. Measuring the calcium ion content of six different soft cheeses using EDTA complexometric titration. . IA Biology HL 6. This was partly to offset worries that it is difficult to ensure complete academic honesty. 28. Determine the enthalpy change of the thermal decomposition of sodium hydrogen carbonate. Investigating how water pH affects chlorophyll degradation at different temperatures using spectrophotometry, Using spectroscopy to investigate chlorophyll fluorescence. Could you please elaborate so I can explain him? To score 7 IB points in chemistry the IA should have approx. Investigate the amount of CaCO3 in brown and white eggshells. Equally so, it is the first point of criticism for a teacher grading the work. Shoul I do this experiment? Education. My second worry is that the whole of the IA assessment has become a ticky box exercise involving passing through hoops that bear little relevance to how chemistry is normally reported. 3. books@peakib.com | Tel (UK): +44 (0) 330 113 5644 | More contact details, Your companion to the IB Diploma Programme. Investigate the enthalpy change of a redox reaction. We hope our list has sparked your Chemistry creativity and you are now on your way to developing your Chemistry IA idea. 31. You could investigate how factors such as the length of fermentation affects the pH of the substance. Consequently, a well formed Research Question is essential to ensure a high quality 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. Reddit and its partners use cookies and similar technologies to provide you with a better experience. 4. 1. Databases - Chemistry - Research Guides at University of Michigan Library Selected Databases Database Search Search for a database accessible by U-M faculty, students and staff Canvas module on Navigating Science Databases (use tag hsstem) Why use Library Databases? Notify me of follow-up comments by email. 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. Is ease of thermal decomposition of metal carbonates related to their solubility? Facebook The data collection effort started in 2014 with a trial system of aluminum, magnesium, and silicon (and their binaries and ternary system data). Investigate chemical equilibria (determine Kc for a reaction). Here are some more of our posts you might find useful: We have a team of awesome tutors ready to help you ace the IB. Which type of eggshells contain most calcium as measured using precipitation reactions? 'Utilization' - Relationships between topics, Relating Topics 4 & 14 to all the other topics, 3 & 13. Although the journal focuses on the original research articles, it also welcomes reviews and short notes. It occurs in the presence of aqueous alkali and heat. 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. Which factors affect the rate of electrolysis in electroplating metals? Investigate the effect of different sacrificial metals on the rusting of iron. Packed with tips and hints to help you avoid common errors, the guide will help keep your IA planning and execution on track. You could compare the experimental value with the stated value, and look at different brands of iron tablet. 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. The current programme reduced the overall component mark from 24% to 20%. Provided by Robert Charles Knight and Aniruddha Warakoutikha. Investigate factors determining heat of combustion in alcohols. InThinking Subject Sites for teachers & their classes, Only teachers can take out free trials or subscriptions to our subject sites at Acid-base titrations can also be used to assess the acidity of fermented foods and drinks such as sauerkraut and kombucha. Investigate the rate of evaporation of a liquid with respect to its temperature. Redox reaction: removal of tarnish from objects 2. The Internal Assessment (IA) is a mini-research project. LinkedIn, Course for students (First exam May 2025), Short cut to give students access to a page, MC test: Nature of matter & chemical change, Nature of matter & chemical change questions, Covalent structure (2) Shapes & polarity questions, MC test: Further aspects of covalent bonding, Further aspects of covalent bonding questions, MC test: Collision theory & rates of reaction, MC test: Rate expression & reaction mechanisms, MC test: Calculations involving acids & bases, Electrochemical cells (1) (AHL) questions, Electrochemical cells (2) (AHL) questions, MC test: Fundamentals of organic chemistry, Fundamentals of organic chemistry (1) questions, Fundamentals of organic chemistry (2) questions, MC test: Alkanes, alkenes & addition polymers, MC test: Electrophilic addition & electrophilic substitution reactions, Spectroscopic identification of organic compounds, MC test: Spectroscopic identification of organic compounds, Identification from spectra - Question 10, Spectroscopic identification of organic compounds (AHL), MC test: Spectroscopic identification of organic compounds (AHL), Identification from spectra - Question 11, Identification from spectra - Question 12, Identification from spectra - Question 13, Identification from spectra - Question 14, Identification from spectra - Question 15, Identification from spectra - Question 16, Identification from spectra - Question 17, Identification from spectra - Question 18, Identification from spectra - Question 19, Identification from spectra - Question 20. Alternatively, you could look at the saponification values of different fats. Thank you for taking a look through our IB Chemistry IA ideas, and we hope youve found some inspiration for your own IA! The IB chemistry IA is an investigative essay that seeks to explain the chemistry behind common real-world phenomena. 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. The NIST Reference on Constants, Units, and Uncertainty. 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. Clear editor. Cookie Notice 26. 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. IB Survival LLC. The. and write-up a Chemistry IA that will . Do different grades of brass contain different amounts of copper? Quickly find chemical information from authoritative sources. I'm not asking for a research question, but could you give me some tips on how to turn ideas into viable research questions. Fragmentation is a type of chemical dissociation, in which the removal of the electron from the molecule results in ionization. Investigate whether oxidation of tea / coffee changes its pH. Does wavelength of UV light affect the products obtained from the reaction between ethane and chlorine, determined using NMR spectroscopy? 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. Register for a FREE DEMO. 10. 32. What is the activation energy for the oxidation of luminol by hydrogen peroxide? Learn everything you need to get a 7 in your IB subjects with our online courses. Powered by Invision Community, IB Survival is now part of Lanterna Education. My chemistry teacher hasn't really explained how to do our IA and I'm running out of time. The chemistry IA examples have been marked, following the IB chemistry IA criteria, by official IB chemistry IA examiners. I'm looking for data on the properties of vinyl polymers. 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. 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. Investigating the ability of different anhydrous salts to absorb water from organic solvents by measuring cobalt(II) absorbance. Strangely, despite me thinking that my Chemistry IA was the best out of all my science IAs, it scored the lowest mark among them. The marks broke down as: Personal engagement 1/2; Exploration: 2/6; Analysis: 2/6; Evaluation: 0/6 and Communication: 2/4. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. The questions are not as varied as physics, where you have to apply a concept to various different types of questions. Data collection can easily convey to your teacher/moderator how much care This work can be on primary or secondary data but well analyzed and critically evaluated. 5. 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. Youve reached that stage in your IB journey where you have to decide what to do for your Chemistry Internal Assessment (IA). Investigate the effect of different ionic salts on the freezing point depression of water. 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. Virtual Labs How is the buffer action of the sodium ethanoate-ethanoic acid system affected by temperature? There are several reasons why you shouldnt do this: Firstly, one of the internal assessment criteria is Personal Engagement. Paste as plain text instead, Does storage temperature affect the purity of washing soda crystals, determined using acid-base titration to find waters of crystallisation? Does boiling time effect the protein concentration in milk, measured using bicinchoninic acid assay and colorimetry? 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. Pigments are insoluble coloured compounds used industrially in the colouring of many materials, for example clothes and cosmetic products. Investigate the equivalence point of weak / strong acids and weak / strong bases. The Rate of Decay of full fat and Skim Milks at Different Temperatures. 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! ChemistryViews is the online science news magazine of Chemistry Europe. Upload or insert images from URL. However, He cant explain to himself the relationship between water and calcium ion concentration.