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. 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. . $131,178 Yearly. Uploaded by IB Screwed. See why 94% of our customers said they would be likely to recommend Alloy.ai. 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. Hope it helps. - STEP 1 Research into possible Research Questions and find 2-4 sources - STEP 2 do pre-testing as needed - STEP 3 submit your RESEARCH PLAN (with sources) - STEP 4 collect data - STEP 5 Write your. Is the absorbance of light by transition metal complex related to the ligand charge? Investigate the rate of evaporation of a liquid with respect to its temperature. IA Information Unit 1 - Equilibrium Unit 2 - Redox Processes Unit 3 - Organic Chemistry Unit 4 - Spectroscopic Identification of Organic Compounds Unit 5 - Option B - Biochemistry Unit 6 - Ontario Curriculum Grade 12 Chemistry IB Exam Preparation IB Chemistry Database Question Bank Class Links Glenview Park S.S. Main Page Google Drive Login Clear editor. 85% (130) 85% found this document useful (130 votes) 195K views. Your previous content has been restored. To probe whether water acidity affects the calcium ion concentration measured using EDTA complexometric titration. Is the hydrolysis of aspirin in the stomach affected by the presence of metal ions? 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. 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. 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Chemistry for Queensland Units 3&4 explores electrolytic cells using carbon electrodes. These ideas have been extracted from our student guide, Chemistry Internal Assessment Standard & Higher Level, written by experienced teacher and author Dave Allen. How does pH affect the colour of Sudan IV produced from a diazotisation reaction? Paste as plain text instead, 6. In contrast, dyes are either liquids or soluble, but can be converted to pigments by precipitation with a metallic salt. IA Biology HL 6. Display as a link instead, Tables are not explained, and data is not processed. Posted: January 03, 2023. NIST Computational Chemistry Comparison and Benchmark Database. Another option would be a modelling software or website that can tell you the bond enthalpy/length for specific bonds within a molecule. I was thinking of investigating fragrance esters,specifically whether amount of unsaturation affects smell characteristics and volatility of the molecule? Over 50% of my students achieved a 6 or 7 in their IA component. 3. This is explained further. You could look at vitamin C tablets, different brands of orange juice or solid fruit and vegetables. In my current life I teach exclusively diploma chemistry, so I get to mentor more student projects than probably anyone else. About us 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. 17 pages. 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! (Hint - there are 4 relations in 3NF form) Points: 8 The statements are deliberately broad and, if you decide to use any of these ideas, you should be as specific as you can. 29. 50. I am not sure how I can develop this up into an RQ. One of my students wants to conduct research about the amount of calcium in eggshells of different colors. In line with the IB Learner Profile, "Act with integrity and honesty". You cannot paste images directly. TIA. This page has Simulations and resources for high school students. A mass change and signs of electroplating were observed. Investigate the effect of solvents in paper chromatography and thin layer chromatography. 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! Periodicity & transition metals (2), 11 & 21. There is evidence of personal input and initiative in the designing, implementation or presentation of the investigation.. You can post now and register later. Search for content by subject in the Search field. Example IB Chemistry IA. Its aim is to give examples showing how different topics in the IB chemistry syllabus can be linked to real-world investigations. Using halide ion test to determine the activation energy for SN2 reactions of different halogenoalkanes with sodium hydroxide. 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 I might just be wrong about how I'm actually supposed to use a database. By plotting a graph of 1/Temperature against the natural log of the rate constant (k), the gradient can be used to find this value. It scored 20/24 (which, according to the boundaries of the M20 session, was a 7). Finding reliable and complete databases is important to make sure your results are accurate. One of the major challenges students of International Baccalaureate is finding and selecting a topic for the essay and rightly so. Does wavelength of UV light affect the products obtained from the reaction between ethane and chlorine, determined using NMR spectroscopy? So chemistry-wise I start with a broad base. Royal Society of Chemistry Resources, videos and screen experiments for teachers and students. Determine the amount of copper in coins using colorimetric analysis. 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. 2. I'm looking for data on the properties of vinyl polymers. 11. As a potential extension to observing how the rate of reaction increases with temperature, you could find the activation energy for a particular reaction. Or how does the type of intermolecular bonding present in a fuel affect the enthalpy of combustion? Shoul I do this experiment? Investigating the effect of storage temperature on the sulfite concentration of Rioja using iodometric titration. ChemistryViews ChemistryViews is the online science news magazine of Chemistry Europe. Virtual Labs 32. Do not attach the full screen print. Iodine is an essential part of our diet and helps synthesise thyroid hormones to regulate metabolism. DOC home page . [2] This can take place by a process of homolytic cleavage or homolysis or heterolytic cleavage or heterolysis of the bond. Similarly, you could look at how the length of a specific type of bond changes across different molecules. Is the release of ibuprofen from different formulations dependent upon pH and temperature, measured using acid-base titration? A student's Research Question, or RQ, is the starting point for their IA. These concern developing experimental and investigative scientific skills including the use of current technologies and the . Do different grades of brass contain different amounts of copper? Investigate the level of unsaturation in different oil brands. Investigate the solubility of salts (Ksp values). None of the words variable, dependent, independent and constant appear even once in the assessment criteria. Websites and Databases for Research. There are also some freely available chemical databases on the web. The energy content of different fuels can be compared. The earlier post I wrote on research questions will hopefully help. You can compare different brands of indigestion tablet that contain different active ingredients. Your previous content has been restored. IA Biology HL 7. Does the charge density of the salt ions affect the partition ratio for caffeine extraction from water with different solvents? Investigate the effect of different ionic salts on the freezing point depression of water. By The IB chemistry IA is an investigative essay that seeks to explain the chemistry behind common real-world phenomena. The biology IA examples have been marked, following the IB biology IA criteria, by official IB biology IA examiners. 42. Is sublimation of salicylic acid after decomposition a reliable way to judge stability of aspirin tablets? To score 7 IB points in chemistry the IA should have approx. You could use polarimetry to investigate the kinetics of a reaction in which the reactants/ products are optically active, for example, the catalysed. Administrative Links. November 15th, 2021. 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. [] Dont just copy an existing IA you found online, such as one from my list here! The crushed up indigestion tablet solution is titrated with hydrochloric acid to calculate how much acid the tablet can neutralise, as can be seen. 21. Periodicity & transition metals (1), 3 & 13. 20. For example, does increasing size of an alkyl group attached to the central atom have an effect? 15. 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 . Compunnel Inc. Clinton, IA4 weeks agoBe among the first 25 applicantsSee who Compunnel Inc. has hired for this roleNo longer accepting applications. See also this Chemical Data guide. Could someone please explain how I can use a database for my Chemistry IA? 1. 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. 35. I looked at different alcohols and used these databases: webbook.nist.gov/chemistry/name-ser/ pubchem.ncbi.nlm.nih.gov/ They were pretty neat, and contained most of what I needed. Over 50 Chemistry Simulations, from Acid-Base Solutions to Wave on a String. Databases. Does cooking temperature affect the vitamin C content of kale as measured by iodometric titration? Can aspirin be prepared using microwave heating instead of a water bath? 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. 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. Investigating the effect of fermentation time and temperature on the pH of kimchi using acid-base titration. Is the concentration of oxalate, measured by redox titration, in cooking water from foods like spinach affected by the water temperature and pH? We suggest you use these International baccalaureate chemistry IAs to get IB chemistry IA ideas and explore possible chemistry IA topics for your . Although the journal focuses on the original research articles, it also welcomes reviews and short notes. Does water temperature or pH most affect oxygen levels in lakes as measured using the Winkler method? The CSD is used in almost every chemistry department worldwide by universities and pharmaceutical companies. Atoms with atomic number less than 36 (Krypton) with only . 5. The journal also emphasizes mathematical articles devoted to the mathematical treatment of questions arising in physics, chemistry, biology, engineering and all applied sciences. Which factor, UV light, temperature or pH has the greatest effect on the denaturation of lipase measured using UV-VIS spectroscopy? Investigate the Ideal Gas Laws using a data logger. www.thinkib.net. West Des Moines, IA. Which is the best catalyst for hydrogen peroxide decomposition, potato, liver, manganese oxide or potassium permanganate? Investigate the amount of CaCO3 in brown and white eggshells. It does not consider the identity of the atoms or groups attached to the central atom however, and this does have an effect. More. Register for a FREE DEMO. Does catalase or potassium iodide lower the activation energy most in the famous elephants toothpaste reaction? The ideas presented here are exactly that ideas, not research questions. Calculate the Kw for water at different temperatures by measuring its pH. Investigate whether oxidation of tea / coffee changes its pH. Thank you!! Determining the optimum temperature for lipase activity, Using colorimetry to investigate inhibition of salivary amylase by metal ions with different charge density. 3. Determine the concentration of biodiesel produced from fruits by using calorimetry. Is the rate of copper purification affected by the voltage? You cannot paste images directly. 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. 17 (varies with grade boundaries) or above . This guide is suitable for both Standard Level and Higher Level candidates. Description: Perform routine . Clearly the standard at Foundations of Chemistry is not up to IB standards! I am sure IB will consider this in their guidance pack they share with examiners/moderators nearer the time of exam period. Do note there is a 12 page limit. What are ionic equations and ionic half-equations? The questions are not as varied as physics, where you have to apply a concept to various different types of questions. Secondly, some of the projects below are just plain bad for reasons Ive outlined in my post about research questions. I'm not asking for a research question, but could you give me some tips on how to turn ideas into viable research questions. No mention of safety, ethical, environmental, Whole premise of IA relies on atomic spectra which are not included - fundamental flaw in the execution of this report. 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. . Proteins thermal denaturation using UV light. The Internal Assessment (IA) is a mini-research project. In your Chemistry IA, being creative for your topic is not a very key criteria. 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. My chemistry (SL) class has already begun the Internal Assesment and I've chosen to do a database IA. 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. 16. Which types of indigestion medicines are fastest at neutralising stomach acid? I examined the new IAs for the IBO, and I also developed and lead teacher training workshops for ICT in chemistry. The addition of the one millionth structure to the Cambridge Structural Database (CSD) was an incredible achievement for the whole community. You could investigate how changing the atoms/groups attached to the central atom affects the shape/ bond angles of a molecule. Investigate the energy densities of fuels versus the bond strength (using a database). 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. 'Utilization' - Relationships between topics, Relating Topics 4 & 14 to all the other topics, 3 & 13. ICT in practical work. A Checklist Guide to Writing a Perfect Chemistry IA. Investigate the effect of pH on the rate of rusting. This is an example of a redox reaction as the iron ions are oxidised and the potassium manganate(VII) solution is reduced. 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.