Does catalase or potassium iodide lower the activation energy most in the famous elephants toothpaste reaction? Posted: January 03, 2023. 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. Pasted as rich text. 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). Within the finish, there are many colours produced depending on the paint company from 100 to 10000. I might just be wrong about how I'm actually supposed to use a database. ChemSpider is a free chemical structure database providing fast text and structure search access to over 67 million structures from hundreds of data sources. 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 Attach a screen print of your Logical Design showing all relations fully expanded. Does the ethanoic acid concentration vary in vinegars obtained from different grains? You can see the results of my investigation on a separate page on this website. Shoul I do this experiment? Alloy.ai's unmatched customer experience and strong market presence earned us a spot in the Leader quadrant in Retail Analytics and the High Performer quadrant in Demand Planning in G2's Winter 2023 Grid Report. Below I will attach a PDF of my Chemistry IA (submitted for Chemistry HL). Chemistry Library List of useful databases These databases are of particular interest for chemists. There are several reasons why you shouldnt do this: Firstly, one of the internal assessment criteria is Personal Engagement. Currently the May 2021 are due to proceed on a curtailed basis (Paper 3 and the Group 4 project have been discarded) but in the United Kingdom the summer 2021 A level examinations have already been cancelled so it may well be that in some or all countries the IB exams may suffer a similar fate. 9. 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. 85% (130) 85% found this document useful (130 votes) 195K views. 13. r/IBO. Databases. Provides access to scholarly journals and magazines covering the latest scientific developments. 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. How does voltage and electrolyte concentration affect the oxide layer thickness during the anodisation of aluminium? You could increase the concentration of the reactants for a reaction and observe the effect on the rate in order to deduce the overall rate expression and the rate constant for the reaction. Clear editor. None of the words variable, dependent, independent and constant appear even once in the assessment criteria. Chemistry Databases. ( YouTube video) Related Guides for Databases SciFinder-n Applied Chemicals and Materials Division. By For information on the Recruitment Incentive please reference the Additional Information section of . 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. To help with this, Ive produced a list of chemistry IA ideas, together with some example Research Questions (RQ). The resulting IA examiner comments are also provided for each chemistry IA. Does vitamin C act as a radical scavenger and slow down the rate of free radical substitution? Investigate the rate of evaporation of a liquid with respect to its temperature. You could look at different types/ sources of salt and compare your experimental values to the stated values. 39. The page has two very different functions. 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. 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. Is microscale chemistry a more efficient way to make aspirin in the laboratory? Investigating whether ideal or non-ideal gases give a more accurate determination of absolute zero using volume-temperature ratio. They depend on it to drive drug discovery projects. Which is the best catalyst for hydrogen peroxide decomposition, potato, liver, manganese oxide or potassium permanganate? The energy content of different fuels can be compared using a. Is the hydrolysis of aspirin in the stomach affected by the presence of metal ions? 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. Determining the activation energy of 3 different glowstick reactions by measuring light output at different temperatures. Investigate the kinetics of the bromine clock reaction to determine the order of reaction. We respect your privacy. ChemistryViews is the online science news magazine of Chemistry Europe. It is mostly about how you treat your topic and how you present it. . Display as a link instead, The extent to which the rate increases depends on the order of reaction with respect to each reactant. IB Chemistry IA Topics That ROCK | 50+ Ideas for SL and HL. All articles are only published after being peer-reviewed and approved by the editorial board. NIST Computational Chemistry Comparison and Benchmark Database. Investigate the level of unsaturation in different oil brands. Do more expensive nappies contain better hydrogels that absorb water faster? vapour pressure) but smell characteristics you would have to think how you can quantify and measure. Investigate factors affecting electrolysis. Investigate chemical equilibria (determine Kc for a reaction). www.ibchemistrytutors.com avail highly experienced tutors for any given IB Subject. Some anomers exist in an equilibrium between two forms which interconvert, for example glucose and lactose. Investigating the bleaching of various food colourings to determine the rate constant. 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. The Rate of Decay of full fat and Skim Milks at Different Temperatures. In this post, we give you 50 IB Biology IA Ideas to help you speed up your research process. Are there more waters of crystallisation in cheap washing soda? Youve reached that stage in your IB journey where you have to decide what to do for your Chemistry Internal Assessment (IA). decomposition of sucrose into glucose and fructose. 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. An important part of the course which requires 10hrs of work for both HL and SL student. rawan1408, Consequently, a well formed Research Question is essential to ensure a high quality IA. Online tuition Chemistry (2013) School entrance experience The biology IA examples have been marked, following the IB biology IA criteria, by official IB biology IA examiners. PB_19, You could find a compound that you are particularly interested in and synthesise it in the laboratory. Using photometry to determine whether charge on the metal ion catalyst influences the rate of reaction between luminol and hydrogen peroxide. Does wavelength of UV light affect the products obtained from the reaction between ethane and chlorine, determined using NMR spectroscopy? 43. Volatility can be quantified and measured (e.g. Is the release of ibuprofen from different formulations dependent upon pH and temperature, measured using acid-base titration? 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. Here is list of 50 IB Chemistry IA Ideas. Is the enthalpy of neutralisation for different acids and alkalis aways 55 kJ mol per mole? Indigestion is caused by acid in the stomach, which can be neutralised with indigestion tablets. Online Chemistry Tutor for A Level and IB | Dr Carl Thirsk. 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. 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! Is IB chemistry harder than A Level chemistry? 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! Several tips I would recommend: Find a personal topic which is of interest to you to introduce what stimulated your inclination to this . books@peakib.com | Tel (UK): +44 (0) 330 113 5644 | More contact details, Your companion to the IB Diploma Programme. 50. Search chemicals by name, molecular formula, structure, and other identifiers. These include measuring changes in mass, gas released, colour of the solution, pH and conductivity to name a few! 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! 20. 4. 6. 3. 2014 DP Chemistry (Last exam Nov 2024) Practical scheme of work & IA. IA Biology HL 6. In your Chemistry IA, being creative for your topic is not a very key criteria. It scored 20/24 (which, according to the boundaries of the M20 session, was a 7). It should be clear from these guidelines that you need to choose your own project and completely own it. However, He cant explain to himself the relationship between water and calcium ion concentration. 19. Investigate the catalytic abilities of different transition and metal oxides. Which factors affect the rate of electrolysis in electroplating metals? Facebook Learn everything you need to get a 7 in your IB subjects with our online courses. [] Dont just copy an existing IA you found online, such as one from my list here! Clear editor. Does water temperature affect the caffeine concentration of tea? Sitemap. What are good chemistry databases that can be used in the IA? Help us improve CareerBuilder by providing feedback about this job: Report this job Job ID: 7BD72A3F29FCA7C0B191AF52B99. Is the absorbance of light by transition metal complex related to the ligand charge? 194. Iodine is an essential part of our diet and helps synthesise thyroid hormones to regulate metabolism. You can post now and register later. For example, by how much does the enzyme urease lower the activation energy for the hydrolysis of urea into ammonia and carbon dioxide. All this secondary data is easily accessible to students on the Internet and the investigation could have been undertaken by a student for their IA. Investigate the effect of solvents in paper chromatography and thin layer chromatography. Investigate the effects of heterogeneous catalysis on the activation energy of a reaction. This guide is suitable for both Standard Level and Higher Level candidates. 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. Redox titration can also be used to determine the vitamin C content of foods and drinks. Reference to Course: Ecology Experimental Studying whether there is a relationship between the primary structure of amylases and pH buffers. You could investigate how factors such as the length of fermentation affects the pH of the substance. Electroplating is an application of electrolysis which uses an electrical current to reduce metal cations in solution so that a thin layer of metal is deposited onto a metal object. Your previous content has been restored. Compare the percentage of vitamin C in various brands of juice. West Des Moines, IA. Chemistry IA - Free download as Word Doc (.doc / .docx), PDF File (.pdf), Text File (.txt) or read online for free. Investigating contents of EDTA in shower contents. Investigating how water pH affects chlorophyll degradation at different temperatures using spectrophotometry, Using spectroscopy to investigate chlorophyll fluorescence. We suggest you use these International baccalaureate chemistry IAs to get IB chemistry IA ideas and explore possible chemistry IA topics for your . How does the ethanol concentration vary for different wines when measured using back-titration with dichromate and ferrous ammonium sulfate? Investigating the effect of storage temperature on the sulfite concentration of Rioja using iodometric titration. 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? NIST Chemical Kinetics Database Standard Reference Database 17, Version 7.1 (Web Version), Release 1.6.8 Data Version 2023 A . It is up to the high standard of Foundations of Chemistry. Tables are not explained, and data is not processed. 38. 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. The page has two very different functions. 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. You could use polarimetry to investigate the kinetics of a reaction in which the reactants/ products are optically active, for example, the catalysed. The best IAs usually take a simple method and explore it from a unique perspective, in order to avoid complications whilst still allowing for an in-depth investigation that will secure those personal engagement marks. 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. 10. His students consistently achieve top grades, and a high proportion every year progress to study medicine, dentistry, veterinary medicine,. www.thinkib.net. You do not need to show the detail view of any table. 4. For example, how and why does the enthalpy of combustion change as the length of the carbon chain increases in a homologous series? Titration: Sweetener Dulcin synthesis from Analgesic Tylenol. 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. Any ideas how I could incorporate something to do with seaweed? Ive also added James comments at the end of the report. Determine the amount of copper in coins using colorimetric analysis. Really a very helpful article thanks for sharing and keep on sharing! Investigate the effect of different sacrificial metals on the rusting of iron. The data collection effort started in 2014 with a trial system of aluminum, magnesium, and silicon (and their binaries and ternary system data). Your IB Chemistry IA will be evaluated based on - Personal Engagement, Exploration, Analysis, Evaluation and Communication. 6. Investigate the rate of adsorption of organic acids on charcoal. Uploaded by IB Screwed. 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)? Now many students are having to cope with an investigation based on secondary data. A calorimeter can also be used to work out how many calories are in different types of food and drink. Using halide ion test to determine the activation energy for SN2 reactions of different halogenoalkanes with sodium hydroxide. I am not sure how I can develop this up into an RQ. Any IA lab should be thoroughly risk assessed by yourself and your teacher should check this risk assessment. IA Biology HL 7. You could then work out the percentage yield of the experiment by comparing your experimental yield to the theoretical yield. The journal also emphasizes mathematical articles devoted to the mathematical treatment of questions arising in physics, chemistry, biology, engineering and all applied sciences. 49. 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. Linking volatility and your independent variable (number of double bonds?) This is a list of ideas only, intended as a source of inspiration for students who are stuck for an idea. It does not consider the identity of the atoms or groups attached to the central atom however, and this does have an effect. Powered by Invision Community, IB Survival is now part of Lanterna Education. Do expensive iron tablets contain more iron than cheaper vitamin tablets? There is evidence of personal input and initiative in the designing, implementation or presentation of the investigation.. 23. Investigate an aspect of a simple voltaic cell. *LINK TO MY BIOLOGY IA* Download. 47. Acid-base titrations can also be used to assess the acidity of fermented foods and drinks such as sauerkraut and kombucha. I've made this a free page so that any IB chemistry teacher can access it for educational purposes. Any help you can give is appreciated. 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. My first IA did not work out at all and my deadline is approaching soon. More. 48. What I've been taught is that you should have a clear-cut independent and dependent variable, where you would an investigating the cause-effect relationship between them. You should always get your IA checked out by your class teacher before you carry out any lab work to ensure that your experiment is safe. Investigate the effect of pH on the rate of rusting. The questions are not as varied as physics, where you have to apply a concept to various different types of questions. 18. How is the rate of SN2 reactions affected by the carbon-halogen bond strength? Analysis of seaweed (seaweed is a good source of Br and I). So chemistry-wise I start with a broad base. 2. There is a variation of CaCo3 between the bases. One of my students wants to conduct research about the amount of calcium in eggshells of different colors. 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. 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. Onmy page on History of Internal Assessment I have detailed how the IA assessment has changed over the years. The assessment criteria are set out clearly in the guide but the interpretation of how to apply them is based upon what is written in several pages of the subject reports and the instructions that are given to moderators. Is sublimation of salicylic acid after decomposition a reliable way to judge stability of aspirin tablets? 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. Place a heat mat under the can. And unlike biology, you don't have to memorize every single thing. 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. 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. Measurement, data processing & analysis (1), 11 & 21. 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. Using back titration to investigate whether the concentration of aspirin from more expensive tablets is higher after 30 minutes than from cheaper ones. You could investigate how soil quality changes along a transect, or take samples from different brands of soil to compare. Provided by Robert Charles Knight and Aniruddha Warakoutikha. Scribd is the world's largest social reading and publishing site. December 13, 2017 in Chemistry. 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. 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. The database includes liquid-liquid, solid-liquid, and gas-liquid systems. Finding reliable and complete databases is important to make sure your results are accurate. How does fermentation time effect the amount of salt in miso paste, determined via argentometric titration (Volhard method)? Chemical structure database; access to over 43 million structures, properties, and associated information. The chemistry IA examples have been marked, following the IB chemistry IA criteria, by official IB chemistry IA examiners. 'Utilization' - Relationships between topics, Relating Topics 4 & 14 to all the other topics, 3 & 13. Powered by Invision Community, IB Survival is now part of Lanterna Education. You could investigate how the rate of reaction increases with increasing temperature, and whether there is an optimum temperature for the reaction. You could compare these two methods to see which gives more accurate results. (Hint - there are 4 relations in 3NF form) Points: 8 How can errors due to heat losses be reduced when investigating the combustion of alcohols by calorimetry? My student wanted to do how peroxides can be a good preservation agent for milk. It occurs in the presence of aqueous alkali and heat. Notify me of follow-up comments by email. Is the rate of copper purification affected by the voltage? Could someone please give me some ideas of a database IA that could be done? Do rust removers containing oxalic acid work better if they are used hot? document.write(new Date().getFullYear()) InThinking Investigating the ability of different anhydrous salts to absorb water from organic solvents by measuring cobalt(II) absorbance. [2] This can take place by a process of homolytic cleavage or homolysis or heterolytic cleavage or heterolysis of the bond. Remember, your IA reports may be a bit different from the past reports due to the type of the data used. For your privacy and protection, when applying to a job online, never give your social security number to a prospective employer, provide credit card or bank account information, or perform any sort of monetary transaction. Determine the enthalpy change of the thermal decomposition of sodium hydrogen carbonate. 41. For example, changing the temperature of the titration reaction, or heating to a higher heat or for a longer period of time in the thermal decomposition reaction. Determine the solubility of an ionic salt in water by plotting a solubility curve and compare the solubility with its literature value. You could investigate why and how the value for a particular bond enthalpy changes depending on the overall molecule in which it is found.
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