Database Chemistry IA IB Survival is now part of Lanterna Education Database Chemistry IA chemistry ia internal asseesment database By rawan1408, February 22, 2017 in Chemistry Share Followers 0 Reply to this topic Start new topic rawan1408 Members 1 10 posts Exams: May 2018 Posted February 22, 2017 We publish practical and reliable organic, organometallic and inorganic chemical synthesis, reactions and procedures deposited by synthetic chemists. However, He cant explain to himself the relationship between water and calcium ion concentration. How does the concentration of manganate(VII) affect the rate of the autocatalytic reaction with ethanedioate as measured by colorimetry? 20 Topic Ideas to Get You Started on your Chemistry IA 1. 19. The University subscribes to many other databases in other disciplines that may be of interest to you, see the A-Z Databases website. You could investigate how factors such as the length of fermentation affects the pH of the substance. Does the concentration of nitrate ions in soil affect the mass of water that smart polymer hydrogels can absorb? 38. Research questions are difficult to find and formulate where enough data from different sources can be utilized. With the cancellation of the May 2020 exams instead of the IA component counting for only 20% of the final mark it effectively became the main basis upon which grades were awarded. Proteins thermal denaturation using UV light. 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. 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. You could compare these two methods to see which gives more accurate results. You could use polarimetry to investigate the kinetics of a reaction in which the reactants/ products are optically active, for example, the catalysed. This guide is suitable for both Standard Level and Higher Level candidates. IA Biology HL 6. The chemistry IA examples have been marked, following the IB chemistry IA criteria, by official IB chemistry IA examiners. Pasted as rich text. 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. 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 data collection effort started in 2014 with a trial system of aluminum, magnesium, and silicon (and their binaries and ternary system data). 194. Any ideas how I could incorporate something to do with seaweed? 8. 27 days ago. 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. You could investigate how the rate of reaction increases with increasing temperature, and whether there is an optimum temperature for the reaction. Display as a link instead, The questions are not as varied as physics, where you have to apply a concept to various different types of questions. You can compare different brands of indigestion tablet that contain different active ingredients. The database includes liquid-liquid, solid-liquid, and gas-liquid systems. Search chemicals by name, molecular formula, structure, and other identifiers. Place a thermometer in the mouth of the can with a piece of cotton wool to prevent heat loss. 35. During the lockdown enforced by the Covid pandemic I decided to investigate the validity of this experimental evidence by looking at the atomic spectra of relevant atoms and ions. If you are interested in medicinal chemistry, you could try synthesising. How does voltage and electrolyte concentration affect the oxide layer thickness during the anodisation of aluminium? To investigate whether different iron complexes used in vitamin tablets are affected by pH using manganate(VII ) titration. Full-Time. My only problem is that I'm having trouble turning my ideasinto reasonable research questions. We hope our list has sparked your Chemistry creativity and you are now on your way to developing your Chemistry IA idea. 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). [2] This can take place by a process of homolytic cleavage or homolysis or heterolytic cleavage or heterolysis of the bond. You could use a database to look for trends in for example: solubility, enthalpy of combustion, melting and boiling points, and there is a list of possible databases here. 44. ACS 50. Common Chemistry (CAS) -Lookup CAS Reg.Number via common chemical name and vice versa. The issue I can see to begin with is you have two dependent variables, volatility and smell characteristics. 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. In this post, we give you 50 IB Biology IA Ideas to help you speed up your research process. Over 50% of my students achieved a 6 or 7 in their IA component. It does not consider the identity of the atoms or groups attached to the central atom however, and this does have an effect. An example showing how rate of reaction can be measured by change in mass can be found. Investigate the esterification of soaps. ChemistryViews is the online science news magazine of Chemistry Europe. What type of relationship is it? - 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. 32. r/IBO. The extent to which the rate increases depends on the order of reaction with respect to each reactant. Provided by Robert Charles Knight and Aniruddha Warakoutikha. 5. Reference to Course: Ecology Experimental Studying whether there is a relationship between the primary structure of amylases and pH buffers. Alternatively, you could look at the saponification values of different fats. Finding reliable and complete databases is important to make sure your results are accurate. None of the words variable, dependent, independent and constant appear even once in the assessment criteria. I've chosen a database topic, but I don't actually know where/how to find said databases. Online tuition Chemistry (2013) School entrance experience The criteria are less easy to address than if hands-on work has been performed. 2 4 comments Best Add a Comment Rayford_Beez 4 yr. ago Depends on what you need it for. Hi, Im not sure I understand the question eggshell colour is due to the presence of pigments rather than Ca2+ ion concentration? Found so much value from your post! Urease is found naturally in soil, so urea is used as a fertiliser to release ammonia. Investigating solid acid catalysis of esterification reactions using infra-red spectroscopy, Using Excel to calculate pI values for peptide and compare with literature values, Modelling the relationship between reaction quotient and equilibrium constant when changing temperature and pressure of the Haber reaction using spreadsheets. 10 Examples of formatting data tables. 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 Search for content by subject in the Search field. Database Systems: Design Implementation and Management (Carlos Coronel; Steven Morris) Financial Accounting: an Integrated Approach (Ken Trotman; Michael Gibbins) . This work can be on primary or secondary data but well analyzed and critically evaluated. To help with this, Ive produced a list of chemistry IA ideas, together with some example Research Questions (RQ). Privately organized database; information on chemical substances. Databases in IB Bio The biology IA examples have been marked, following the IB biology IA criteria, by official IB biology IA examiners. A more thorough procedure can be found. His students consistently achieve top grades, and a high proportion every year progress to study medicine, dentistry, veterinary medicine,. To examine if oxalic acid or citric acid rust removers are more effective at higher temperatures using redox titration. Investigating the effect of fermentation time and temperature on the pH of kimchi using acid-base titration. Administrative Links. A free chemical structure database providing fast access to over 25 million structures, properties and associated information. What the IA is about within HL Chemistry? It was observed this experiment . Does wavelength of UV light affect the products obtained from the reaction between ethane and chlorine, determined using NMR spectroscopy? Do note there is a 12 page limit. 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. which are specifically designed for self study and revision. In 2010 Eugen Schwarz wrote a paper claiming that theoretical quantum mechanical calculations lead to the conclusion that the 3d level is lower in energy than the 4s level in transition elements. Does catalase or potassium iodide lower the activation energy most in the famous elephants toothpaste reaction? and write-up a Chemistry IA that will . Investigating the bleaching of various food colourings to determine the rate constant. It is often used for decorative or protective means. 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. Upload or insert images from URL. Provides access to scholarly journals and magazines covering the latest scientific developments. You could investigate why and how the value for a particular bond enthalpy changes depending on the overall molecule in which it is found. Can you please help? 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. Using photometry to determine whether charge on the metal ion catalyst influences the rate of reaction between luminol and hydrogen peroxide. Investigate variables affecting water absorption polymers. Iodine is an essential part of our diet and helps synthesise thyroid hormones to regulate metabolism. IA Biology HL 7. Any help you can give is appreciated. Is the absorbance of light by transition metal complex related to the ligand charge? See also this Chemical Data guide. Applied Chemicals and Materials Division. It seeks to assess your grasp of chemistry up to the level achieved in your coursework through practical application of the skills gained. Prepare and test of buffer solutions. Determine the activation energy of iodine-clock reaction. Investigate the effect of soil pH on the chlorophyll content in plant leaves. Chemistry Library List of useful databases These databases are of particular interest for chemists. 40. NIST Computational Chemistry Comparison and Benchmark Database. IB Chemistry IA Ideas and Research Questions - chemistrytutor.me October 19, 2018 at 2:11 pm - Reply [] Secondly, some . 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. Clearly the standard at Foundations of Chemistry is not up to IB standards! 17. Remember! There are several reasons why you shouldnt do this: Firstly, one of the internal assessment criteria is Personal Engagement. Investigate the factors affecting the rate of reaction between iodine and propanone. | The CSD is used in almost every chemistry department worldwide by universities and pharmaceutical companies. Determine the concentration of biodiesel produced from fruits by using calorimetry. Strangely, despite me thinking that my Chemistry IA was the best out of all my science IAs, it scored the lowest mark among them. We suggest you use these International baccalaureate chemistry IAs to get IB chemistry IA ideas and explore possible chemistry IA topics for your . It is a starting point for further research, not a list of off-the-shelf projects you can select from and take to your teacher. Redox titration can also be used to determine the vitamin C content of foods and drinks. 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. Students are expected to perform at least one exercise using a database in order to fulfil Aims 6 & 7 in the Guide. 24. 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. The impact of temperature on vitamin C in fruit juice. To score 7 IB points in chemistry the IA should have approx. For example, how and why does the enthalpy of combustion change as the length of the carbon chain increases in a homologous series? Because I wrote the article, I cannot really assess it in a subjective or unbiased way but it seems to me that James' mark is spot on. Below you can explore some examples of such IA topics that are sure to score highly on the IA criteria! 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. ChemSpider Synthetic Pages "ChemSpider SyntheticPages is a freely available interactive database of synthetic chemistry. Can aspirin be prepared using microwave heating instead of a water bath? The data collection effort has been conducted in an effort with the Materials Genome Initiative in an effort to increase materials discovery. Investigate an equilibrium position and Le Chateliers principle spectroscopically. How does fermentation time effect the amount of salt in miso paste, determined via argentometric titration (Volhard method)? Investigate the enthalpy change of a redox reaction. 85% (130) 85% found this document useful (130 votes) 195K views. document.write(new Date().getFullYear()) InThinking etc. . Compunnel Inc. Clinton, IA4 weeks agoBe among the first 25 applicantsSee who Compunnel Inc. has hired for this roleNo longer accepting applications. Onmy page on History of Internal Assessment I have detailed how the IA assessment has changed over the years. The addition of the one millionth structure to the Cambridge Structural Database (CSD) was an incredible achievement for the whole community. Investigate the effects of heterogeneous catalysis on the activation energy of a reaction. So if I do this experiment, I will not see any difference in the protein content. Clear editor. 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)?". One of the biggest challenges facing students taking IB chemistry is coming up with a good Internal Assessment (IA) idea. I examined the new IAs for the IBO, and I also developed and lead teacher training workshops for ICT in chemistry. 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. To achieve the maximum score The evidence of personal engagement with the exploration is clear with significant independent thinking, initiative or creativity. 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.
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