Does the titration temperature affect how accurately the Mr of a hydrated salt can be determined using redox titration? Found so much value from your post! 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. The RQ is unfocused and unclear impossible to understand what the aims are, Project is just a series of measurements or a synthesis, rather than an investigation. For example, by how much does the enzyme urease lower the activation energy for the hydrolysis of urea into ammonia and carbon dioxide. IB Chemistry IA Ideas and Research Questions, 50+ Chemistry IA Ideas with Research Question Examples, One of the biggest challenges facing students taking IB chemistry is coming up with a good Internal Assessment (IA) idea, Chemistry IA topics on electrochemistry (voltaic cells, voltammetry, electrolysis), Chemistry IAs involving microscale chemistry, IA topics using photoconductivity (measuring light intensity), IAs involving polarimetry (measuring optical rotation), Chemistry IA topics involving redox titration, Chemistry IA topics based around synthesis, Limiting and excess reactants in chemistry, Easy way to balance chemical equations for GCSE. 01 chem databases and simulations IA student samples. - 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. IB Survival LLC. Education. Investigating the effect of storage temperature on the sulfite concentration of Rioja using iodometric titration. 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. Databases. Quickly find chemical information from authoritative sources. If you are a student and wish to access these resources, ask your school to subscribe. IB Chemistry IA Ideas and Research Questions - chemistrytutor.me October 19, 2018 at 2:11 pm - Reply [] Secondly, some . Is their a correlation between metal ion charge and wavelength of light absorbed by transition metal complexes? 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. I was able to find extensive info on Wikipedia, but I doubt . To examine if oxalic acid or citric acid rust removers are more effective at higher temperatures using redox titration. 6. Periodicity & transition metals (1), 3 & 13. Reaxys -Web access to Beilstein/Gmelin and patent database; java structure editor; all users must create . 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). 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. Proteins thermal denaturation using UV light. 43. A calorimeter can also be used to work out how many calories are in different types of food and drink. Does cooking time affect how much oxalate is released from spinach? We use cookies to ensure that we give you the best experience on our website. For more information, please see our IA Biology HL 6. Investigate the factors affecting the colours of transition metal compounds (through the use of a colorimter). The internal assessment in chemistry on criteria is for 24 marks and has 20% of weightage in the total score. IB Survival LLC. 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. The crushed up indigestion tablet solution is titrated with hydrochloric acid to calculate how much acid the tablet can neutralise, as can be seen. 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. Ive given a weaker and a stronger example research question for each category, but be aware that the stronger research question is not necessarily a good research question! The energy content of different fuels can be compared using a. You could investigate why and how the value for a particular bond enthalpy changes depending on the overall molecule in which it is found. 29. 23. Incorporating IM, TOK, 'Utilization' etc. 39. Only 7 pages - it does not feel like 10 hours effort. If you have an account, sign in now to post with your account. You could find a compound that you are particularly interested in and synthesise it in the laboratory. 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. 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. 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. ChemistryViews is the online science news magazine of Chemistry Europe. It often is the "make or break" so do ensure to take it seriously. 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. 28. IAs involving databases Chemistry IA topics on electrochemistry (voltaic cells, voltammetry, electrolysis) IAs involving gas chromatography IAs involving mass measurements Chemistry IAs involving microscale chemistry IAs involving molecular modelling IA topics using photoconductivity (measuring light intensity) . What is the activation energy for the oxidation of luminol by hydrogen peroxide? What the IA is about within HL Chemistry? 14. How does the ethanol concentration vary for different wines when measured using back-titration with dichromate and ferrous ammonium sulfate? Maybe it is time for the chemistry practical assessment to be decoupled from the other two sciences to reflect more accurately what real chemists do. Measure the concentration of zinc ions in a dietary supplement. Ive grouped them together according to the main experimental technique or measurement method. Search for content by subject in the Search field. A polarimeter is a device that measures the rotation of polarised light as it passes through an optically active fluid. Is the release of ibuprofen from different formulations dependent upon pH and temperature, measured using acid-base titration? 8. Scribd is the world's largest social reading and publishing site. How is the buffer action of the sodium ethanoate-ethanoic acid system affected by temperature? Students are expected to perform at least one exercise using a database in order to fulfil Aims 6 & 7 in the Guide. Many students are unsure how to relate the IB chemistry topics to a real-world situation or problem that they can investigate. 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. Complete with an overview of key aspects of the IA, a rubric for criteria, and lots of Chemistry IA ideas, this guide offers practical advice and insights to help you achieve the best possible mark on your IB Chemistry Internal Assessment. It is mostly about how you treat your topic and how you present it. 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. We suggest you use these International baccalaureate chemistry IAs to get IB chemistry IA ideas and explore possible chemistry IA topics for your . A leading publisher of authoritative scientific information. Register for a FREE DEMO. 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. Furthermore, you could then predict a reaction mechanism for the reaction and compare this with literature findings. You could investigate the relationship between surface area of a reactant and the rate of reaction. There is evidence of personal input and initiative in the designing, implementation or presentation of the investigation.. document.write(new Date().getFullYear()) InThinking 11. You could determine the pKa values and pH ranges of natural indicators using. We publish practical and reliable organic, organometallic and inorganic chemical synthesis, reactions and procedures deposited by synthetic chemists. Do more expensive nappies contain better hydrogels that absorb water faster? Chemistry for Queensland Units 3&4 explores electrolytic cells using carbon electrodes. Reddit and its partners use cookies and similar technologies to provide you with a better experience. The statements are deliberately broad and, if you decide to use any of these ideas, you should be as specific as you can. 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. Measure the concentration of zinc ions in a dietary supplement. I really want to do a database IA because I'm terrible at lab work and besides, all of our class time for lab experiments is over. You could investigate how the rate of reaction increases with increasing temperature, and whether there is an optimum temperature for the reaction. The IB chemistry IA is an investigative essay that seeks to explain the chemistry behind common real-world phenomena. If you find you are in need of a bit more advice on how to successfully complete your Chemistry Internal Assessment, then be sure to check out our student guide for comprehensive guidance on how to plan, execute, and write-up a Chemistry IA that will earn solid marks. Periodicity & transition metals (2), 11 & 21. It seeks to assess your grasp of chemistry up to the level achieved in your coursework through practical application of the skills gained. Determining the activation energy of 3 different glowstick reactions by measuring light output at different temperatures. Record the initial temperature of the water. 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. 02 chem experimental IA student examples. My first IA did not work out at all and my deadline is approaching soon. Soil also contains other important elements such as nitrogen and iron, which can also be tested for using experimental techniques. The earlier post I wrote on research questions will hopefully help. Does vitamin C act as a radical scavenger and slow down the rate of free radical substitution? Check them out by clicking here! Reference to Course: Ecology Experimental Studying whether there is a relationship between the primary structure of amylases and pH buffers. The addition of the one millionth structure to the Cambridge Structural Database (CSD) was an incredible achievement for the whole community. BONUS DOWNLOAD: A Checklist Guide to Writing a Perfect Chemistry IA. 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. 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. Database based Exploring how algae samples' primary productivity changes with temperature, algae concentration, other aquatic plants, turbidity, salinity, nutrients, and other factors. 'Utilization' - Relationships between topics, Relating Topics 4 & 14 to all the other topics, 3 & 13. How does oxidant concentration affect the intensity of light produced from luminol? Within the finish, there are many colours produced depending on the paint company from 100 to 10000. Join. Investigate chemical equilibria (determine Kc for a reaction). You could then work out the percentage yield of the experiment by comparing your experimental yield to the theoretical yield. Investigate the effect of pH on the rate of rusting. Online tuition Chemistry (2013) School entrance experience Clearly the standard at Foundations of Chemistry is not up to IB standards! Does thermal decomposition allow unknown salts to be identified? The activation energy for a catalysed versus an uncatalyzed reaction can be compared, to see by how much the catalyst lowers the activation energy. Databases. This exact same report was submitted as a manuscript to Foundations of Chemistry, an international academic journal which provides an interdisciplinary forum in which chemists, biochemists, philosophers, historians, educators and sociologists discuss conceptual and fundamental issues which relate to the `central science' of chemistry. What is the pKa value for natural indicators obtained from peonies, poppies and red cabbage, determined using colorimetry? It occurs in the presence of aqueous alkali and heat. The CSD is used in almost every chemistry department worldwide by universities and pharmaceutical companies. Investigate factors affecting electroplating. 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. 12. This expanded the report to eleven pages. 3. The degree of rotation can be used to calculate the concentrations of solutions. Is ease of thermal decomposition of metal carbonates related to their solubility? The data collection effort has been conducted in an effort with the Materials Genome Initiative in an effort to increase materials discovery. 2014 DP Chemistry (Last exam Nov 2024) Practical scheme of work & IA. About us You could compare the experimental value with the stated value, and look at different brands of iron tablet. Investigating the effect of fermentation time and temperature on the pH of kimchi using acid-base titration. Is IB chemistry harder than A Level chemistry? I'm looking for data on the properties of vinyl polymers. Posted: January 03, 2023. []. Investigate factors determining heat of combustion in alcohols. Hi, I wanted to determine protein content of something over different cooking time but I did some research on the google and I found that proteins are not affected by heating. Investigate the speed of neutralisation of antacids from different sources. 17 pages. 85% (130) 85% found this document useful (130 votes) 195K views. The Rate of Decay of full fat and Skim Milks at Different Temperatures. Compare the percentage of vitamin C in various brands of juice. Investigate whether oxidation of tea / coffee changes its pH. Does the temperature at which the titration takes place have an effect on the amount of iodine released from the salt? Egg shell is a finish Like Matt finish, Low sheen, Egg shell, Semi gloss, Gloss etc. 50. I was thinking of investigating fragrance esters,specifically whether amount of unsaturation affects smell characteristics and volatility of the molecule? The justification given for choosing the research question and/or the topic under investigation demonstrates personal significance, interest or curiosity. 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. Another option would be a modelling software or website that can tell you the bond enthalpy/length for specific bonds within a molecule. The Internal Assessment (IA) is a mini-research project. This is a project that accounts for 20% of your final grade. Here are two examples of database labs in chemistry. Strangely, despite me thinking that my Chemistry IA was the best out of all my science IAs, it scored the lowest mark among them. Display as a link instead, 13. r/IBO. If you have an account, sign in now to post with your account. Click here to check them out! None of the words variable, dependent, independent and constant appear even once in the assessment criteria. www.thinkib.net. Provided by Robert Charles Knight and Aniruddha Warakoutikha. 30. Below I will attach a PDF of my Chemistry IA (submitted for Chemistry HL). 2 4 comments Best Add a Comment Rayford_Beez 4 yr. ago Depends on what you need it for. Which type of eggshells contain most calcium as measured using precipitation reactions? 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)? What are ionic equations and ionic half-equations? Notify me of follow-up comments by email. 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. Investigate variables affecting water absorption polymers. 03 examples of research questions. Is the absorbance of light by transition metal complex related to the ligand charge? Any help you can give is appreciated. Secondly, some of the projects below are just plain bad for reasons Ive outlined in my post about research questions. decomposition of sucrose into glucose and fructose. 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. The pigments found in certain substances such as makeup products or coloured foods could also be investigated using paper or thin layer chromatography. Over 50% of my students achieved a 6 or 7 in their IA component. This page has Simulations and resources for high school students. Legal Some natural pigments can be used as indicators as they change colour at certain pH values, for example the pigment curcumin found in turmeric. Help us improve CareerBuilder by providing feedback about this job: Report this job Job ID: 7BD72A3F29FCA7C0B191AF52B99. Websites and Databases for Research. See also this Chemical Data guide. The BEST Databases for IB Chemistry IA / EE 1,097 views Premiered Mar 5, 2022 23 Dislike Share Save Mr M 4 Chem 1.94K subscribers Subscribe #IB #IA #chemistry #database #top #mrm4chem.