and our Investigate factors affecting electroplating. My chemistry teacher hasn't really explained how to do our IA and I'm running out of time. You could investigate how soil quality changes along a transect, or take samples from different brands of soil to compare. The page has two very different functions. My student wanted to do how peroxides can be a good preservation agent for milk. Find chemical and physical properties, biological activities, safety and toxicity information, patents, literature citations and more. Provided by the Royal Society of Chemistry (RSC) ChemSub Online. We suggest you use these International baccalaureate chemistry IAs to get IB chemistry IA ideas and explore possible chemistry IA topics for your . 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. 14. As long as you twist it in a way, present it in a way to get the correct impression from your teacher and the examiners. You still need both a theoretical model and data, even if you are not carrying out an experiment. 47. Iodine is an essential part of our diet and helps synthesise thyroid hormones to regulate metabolism. Royal Society of Chemistry Resources, videos and screen experiments for teachers and students. The peer-review for this article came back as This manuscript is a very thorough and comprehensive study of the spectroscopic energy levels for a uniquely interesting and oft-overlooked atom. Pigments are insoluble coloured compounds used industrially in the colouring of many materials, for example clothes and cosmetic products. Help us improve CareerBuilder by providing feedback about this job: Report this job Job ID: 7BD72A3F29FCA7C0B191AF52B99. Proteins thermal denaturation using UV light. Reference to Course: Ecology Experimental Studying whether there is a relationship between the primary structure of amylases and pH buffers. 38. My first IA did not work out at all and my deadline is approaching soon. Several tips I would recommend: Find a personal topic which is of interest to you to introduce what stimulated your inclination to this . 33. ACS Chemworx - Free research collaboration tool. Investigate chemical equilibria (determine Kc for a reaction). Urease is found naturally in soil, so urea is used as a fertiliser to release ammonia. A mass change and signs of electroplating were observed. Investigate the factors affecting the colours of transition metal compounds (through the use of a colorimter). Does storage temperature affect the purity of washing soda crystals, determined using acid-base titration to find waters of crystallisation? 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. 18. You could investigate how the rate of reaction increases with increasing temperature, and whether there is an optimum temperature for the reaction. Balancing chemical equations using algebra, Choosing a Chemistry IA Research Question - chemistrytutor.me. Determine the activation energy of iodine-clock reaction. Job DescriptionMust have: Mainframe, Cobol, SAS, CICS Job Title : Mainframe Developer Job Summary :See this and similar jobs on LinkedIn. Is the absorbance of light by transition metal complex related to the ligand charge? IA Chemistry HL 6 The impact of temperature on dissolved oxygen concentration IA Chemistry HL 7 What is the relationship between the temperature of the solution (K) and rate of decomposition (cm3 s -1 ) of carbonic acid (H2CO3) to carbon dioxide (CO2) and water (H2O), and, hence, what is the activation energy (kJ mol-1 ) of this reaction? Investigate the effect of the length a salt bridge has on the dipped voltage produced by a voltaic cell. How is the fluorescence wavelength of fluorophores present in tumeric affected by solvent polarity measured by spectroscopy? 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. This work can be on primary or secondary data but well analyzed and critically evaluated. 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. It scored 23/24 (which, according to the boundaries of the M20 session, was a 7). 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. Here are two examples of database labs in chemistry. books@peakib.com | Tel (UK): +44 (0) 330 113 5644 | More contact details, Your companion to the IB Diploma Programme. Is microscale chemistry a safe and convenient way to do reactions with halogens in a high school environment? About us Strangely, despite me thinking that my Chemistry IA was the best out of all my science IAs, it scored the lowest mark among them. ICT in practical work. Measuring the calcium ion content of six different soft cheeses using EDTA complexometric titration. Determining the activation energy of 3 different glowstick reactions by measuring light output at different temperatures. 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. 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 . Over 50 Chemistry Simulations, from Acid-Base Solutions to Wave on a String. Measurement, data processing & analysis (1), 11 & 21. Although the journal focuses on the original research articles, it also welcomes reviews and short notes. 4. Investigate the effect of solvents in paper chromatography and thin layer chromatography. 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. If you are interested in medicinal chemistry, you could try synthesising. 9. For example, does increasing size of an alkyl group attached to the central atom have an effect? Lots of people are anaemic and have to take iron tablets as a result. Investigate the equivalence point of weak / strong acids and weak / strong bases. Vasy Kafidoff. 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. 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. Can aspirin be prepared using microwave heating instead of a water bath? Quickly find chemical information from authoritative sources. 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. Applied Chemicals and Materials Division. Scribd is the world's largest social reading and publishing site. The impact of temperature on vitamin C in fruit juice. 13. Or how does the type of intermolecular bonding present in a fuel affect the enthalpy of combustion? You could investigate which factors or methods increase the yield of the experiment, for example temperature or method of heating, as one of your IB Chemistry IA ideas. 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. Can Charles Law be used to accurately determine absolute zero? By Investigate the esterification of soaps. 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. 11. The criteria are less easy to address than if hands-on work has been performed. You can compare different brands of indigestion tablet that contain different active ingredients. Below I will attach a PDF of my Chemistry IA (submitted for Chemistry HL). I might just be wrong about how I'm actually supposed to use a database. 36. Similarly, you could look at how the length of a specific type of bond changes across different molecules. 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). These concern developing experimental and investigative scientific skills including the use of current technologies and the . How does oxidant concentration affect the intensity of light produced from luminol? The justification given for choosing the research question and/or the topic under investigation demonstrates personal significance, interest or curiosity. Investigate the Ideal Gas Laws using a data logger. Databases. Virtual Labs Investigate the enthalpy change of a redox reaction. Investigate the rate of adsorption of organic acids on charcoal. Is microscale chemistry a more efficient way to make aspirin in the laboratory? Investigating the bleaching of various food colourings to determine the rate constant. 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. Paste as plain text instead, You do not need to show the detail view of any table. Equally so, it is the first point of criticism for a teacher grading the work. 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. What is the iodine number of different cooking oils? Strugglingfor IB Chemistry IA Ideas? IB Chemistry IA Ideas and Research Questions - chemistrytutor.me October 19, 2018 at 2:11 pm - Reply [] Secondly, some . Do note there is a 12 page limit. 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. I've made this a free page so that any IB chemistry teacher can access it for educational purposes. Consequently, a well formed Research Question is essential to ensure a high quality IA. 20 Topic Ideas to Get You Started on your Chemistry IA 1. The statements are deliberately broad and, if you decide to use any of these ideas, you should be as specific as you can. Does the charge density of the salt ions affect the partition ratio for caffeine extraction from water with different solvents? Investigate the rate of evaporation of a liquid with respect to its temperature. 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. If I do this experiment and I write it as a IA, Will I get higher points? . SCH 4UW. Search chemicals by name, molecular formula, structure, and other identifiers. Studying the vanishing cross reaction between hydrochloric acid and sodium thiosulfate using titration, Using the initial rates method to measure the activation energy for the clock reaction between iodide and peroxydisulfate ions, Investigating the relationship between brewing time and manganese ion content in tea using colorimetry. also sounds too simplistic to me as you can quite easily predict that relationship. 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. 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. www.thinkib.net. 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. For example, how does the bond enthalpy for the C-H bond vary as the length of the alkane increases? ( YouTube video) Related Guides for Databases SciFinder-n One of my students wants to conduct research about the amount of calcium in eggshells of different colors. The basic procedure for an electroplating experiment can be found. Measurement, data processing & analysis (2), MC test: Introduction to materials science, Environmental impact - plastics questions, (AHL) Superconducting metals & X-ray crystallography, MC test: Superconducting metals & X-ray crystallography, Superconducting metals & X-ray crystallography questions, Superconducting metals & X-ray crystallography answers, (AHL) Environmental impact - heavy metals, MC test: Environmental impact - heavy metals, Environmental impact - heavy metals questions, Environmental impact - heavy metals answers, Stereochemistry in biomolecules questions, Nuclear fusion & nuclear fission reactions, MC test: Nuclear fusion & nuclear fission reactions, Nuclear fusion & nuclear fission questions, MC test: Environmental impact global warming, Environmental impact - global warming questions, Environmental impact - global warming answers, (AHL) Electrochemistry, rechargeable batteries & fuel cells, MC test: Electrochemistry, rechargeable batteries & fuel cells, Electrochemistry, rechargeable batteries & fuel cells questions, Electrochemistry, rechargeable batteries & fuel cells answers, MC test: Nuclear fusion & nuclear fission (HL), Nuclear fusion & fission reactions (HL) questions, Nuclear fusion & fission reactions (HL) answers, MC test: Pharmaceutical products & drug action, Pharmaceutical products & drug action questions, Pharmaceutical products & drug action answers, MC test: Environmental impact of some medications, Environmental impact of some medications questions, Environmental impact of some medications answers, (AHL) Taxol - a chiral auxiliary case study, MC test: Taxol - a chiral auxiliary case study, Ten suggestions for IAs using secondary data, A genuine Grade 7 IA report using a database/simulation, Marked IA reports with teacher comments & marks, Factors affecting the rate of nucleophilic substitution reactions, SL Multiple choice tests on individual topics, SL Multiple choice 'quizzes' on sub-topics, HL Multiple choice tests on individual topics, HL Multiple choice 'quizzes' on sub-topics.
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