database ia chemistry

34. The amount of phosphate present in soil samples can be determined using a. Chemistry Carl is a highly-qualified tutor, teacher and examiner with an outstanding track record of helping students to succeed. In 2013 Scerri stated that many teachers were still teaching blatantly wrong chemistry by giving the electron configuration of scandium as [Ar[4s23d1 and provided experimental evidence to support the argument that it should be [Ar]3d14s2. As a potential extension to observing how the rate of reaction increases with temperature, you could find the activation energy for a particular reaction. ChemSpider Synthetic Pages "ChemSpider SyntheticPages is a freely available interactive database of synthetic chemistry. InThinking Subject Sites for teachers & their classes, Only teachers can take out free trials or subscriptions to our subject sites at 36. A free chemical structure database providing fast access to over 25 million structures, properties and associated information. Investigate the energy densities of fuels versus the bond strength (using a database). Investigate the effect of solvents in paper chromatography and thin layer chromatography. Periodicity & transition metals (1), 3 & 13. You could investigate how the rate of reaction increases with increasing temperature, and whether there is an optimum temperature for the reaction. $131,178 Yearly. Determine the activation energy of iodine-clock reaction. www.ibchemistrytutors.com avail highly experienced tutors for any given IB Subject. Investigating the relationship between metal ion charge density and thermal stability using thermal decomposition experiments. Provided by Robert Charles Knight and Aniruddha Warakoutikha. 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) Over 50 Chemistry Simulations, from Acid-Base Solutions to Wave on a String. 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. The University subscribes to many other databases in other disciplines that may be of interest to you, see the A-Z Databases website. Investigate the enthalpy of neutralisation of different acid / base concentrations. For all your other IB Chemistry needs, be sure to visit our IB Chemistry subject page for more resources. Determining the activation energy of 3 different glowstick reactions by measuring light output at different temperatures. constant? A search through any reputable academic chemistry journal will show that articles are almost never formatted this way. Royal Society of Chemistry Resources, videos and screen experiments for teachers and students. NIST Chemical Kinetics Database Standard Reference Database 17, Version 7.1 (Web Version), Release 1.6.8 Data Version 2023 A . Iodine is an essential part of our diet and helps synthesise thyroid hormones to regulate metabolism. We publish practical and reliable organic, organometallic and inorganic chemical synthesis, reactions and procedures deposited by synthetic chemists. The length of time that vegetables are cooked for, and the method of cooking used has been reported to affect the vitamin C content, so this could be investigated further. I was able to find extensive info on Wikipedia, but I doubt . The IB should make IAs a part of only HL subjects. The concerns are many but essentially they are: I have two other concerns. My only problem is that I'm having trouble turning my ideasinto reasonable research questions. Could you please elaborate so I can explain him? 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! Investigate the effect of different sacrificial metals on the rusting of iron. Record the initial temperature of the water. 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. ChemSpider is a free chemical structure database providing fast text and structure search access to over 67 million structures from hundreds of data sources. 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. Facebook 12. 44. 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. Investigate the effect of soil pH on the chlorophyll content in plant leaves. 30. Hope it helps. 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. Does the temperature at which the titration takes place have an effect on the amount of iodine released from the salt? This is an example of a redox reaction as the iron ions are oxidised and the potassium manganate(VII) solution is reduced. Place a heat mat under the can. To achieve the maximum score The evidence of personal engagement with the exploration is clear with significant independent thinking, initiative or creativity. Indigestion is caused by acid in the stomach, which can be neutralised with indigestion tablets. 16. 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. 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 probe whether water acidity affects the calcium ion concentration measured using EDTA complexometric titration. If you have an account, sign in now to post with your account. What are good chemistry databases that can be used in the IA? 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. Do expensive iron tablets contain more iron than cheaper vitamin tablets? 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. Do rust removers containing oxalic acid work better if they are used hot? Measure the concentration of zinc ions in a dietary supplement. View Lab Report - IB Chemistry IA (1).pdf from ML 420 at Mira Loma High School. Which factor, UV light, temperature or pH has the greatest effect on the denaturation of lipase measured using UV-VIS spectroscopy? 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. The extent to which the rate increases depends on the order of reaction with respect to each reactant. 2014 DP Chemistry (Last exam Nov 2024) Practical scheme of work & IA. I'm looking for data on the properties of vinyl polymers. 8. The activation energy for a catalysed versus an uncatalyzed reaction can be compared, to see by how much the catalyst lowers the activation energy. 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. 14. Designed by Harvard tutors to allow you exceed beyond expectations. Education. It can be challenging because of the plethora of options students have. Investigate the amount of CaCO3 in brown and white eggshells. By Urease is found naturally in soil, so urea is used as a fertiliser to release ammonia. 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. Investigating how water pH affects chlorophyll degradation at different temperatures using spectrophotometry, Using spectroscopy to investigate chlorophyll fluorescence. The oxygen content of water in lakes or reservoirs can be measured using the Winkler method, which is described. Determine the concentration of biodiesel produced from fruits by using calorimetry. Linking volatility and your independent variable (number of double bonds?) NIST Computational Chemistry Comparison and Benchmark Database. 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. Remote username and password Rdale281, Rdale#281, https://rdale.libguides.com/c.php?g=1105798, 4148 Winnetka Ave. N. | New Hope, MN 55427. 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. Does cooking temperature affect the vitamin C content of kale as measured by iodometric titration? You could compare these two methods to see which gives more accurate results. 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. 43. Does storage temperature affect the purity of washing soda crystals, determined using acid-base titration to find waters of crystallisation? 2. 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 you are a student and wish to access these resources, ask your school to subscribe. Redox reaction: removal of tarnish from objects 2. You could investigate how changing the atoms/groups attached to the central atom affects the shape/ bond angles of a molecule. Privately organized database; information on chemical substances. It seeks to assess your grasp of chemistry up to the level achieved in your coursework through practical application of the skills gained. 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. Paste as plain text instead, Onmy page on History of Internal Assessment I have detailed how the IA assessment has changed over the years. Does the lattice enthalpy of different salts affect how effectively they melt ice? The Rate of Decay of full fat and Skim Milks at Different Temperatures. Pasted as rich text. Hi, Im not sure I understand the question eggshell colour is due to the presence of pigments rather than Ca2+ ion concentration? 25. Here is list of 50 IB Chemistry IA Ideas. 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. ChemistryViews ChemistryViews is the online science news magazine of Chemistry Europe. ACS A leading publisher of authoritative scientific information. 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! 'Utilization' - Relationships between topics, Relating Topics 4 & 14 to all the other topics, 3 & 13. and write-up a Chemistry IA that will . Typical solvents and solutes include water, seawater, heavy water, inorganic compounds, and a variety of organic compounds such as hydrocarbons, halogenated hydrocarbons, alcohols, acids, esters and nitrogen compounds. 03 examples of research questions. 5. 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 . Only 7 pages - it does not feel like 10 hours effort. An example showing how rate of reaction can be measured by change in mass can be found. Does cooking time affect how much oxalate is released from spinach? Does vitamin C act as a radical scavenger and slow down the rate of free radical substitution? 2 4 comments Best Add a Comment Rayford_Beez 4 yr. ago Depends on what you need it for. So all in all a mediocre to poor report according to the IB assessment criteria. Database based Exploring how algae samples' primary productivity changes with temperature, algae concentration, other aquatic plants, turbidity, salinity, nutrients, and other factors. Is the rate of copper purification affected by the voltage? Like many IB students, you may be finding it challenging to think of an idea that a) you are really interested in and b) is feasible for you to complete given the time and resources available. December 13, 2017 in Chemistry. Really a very helpful article thanks for sharing and keep on sharing! It is often used for decorative or protective means. *LINK TO MY BIOLOGY IA* Download. 6. Your IB Chemistry IA will be evaluated based on - Personal Engagement, Exploration, Analysis, Evaluation and Communication. [] Dont just copy an existing IA you found online, such as one from my list here! 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. How is the rate of SN2 reactions affected by the carbon-halogen bond strength? Find chemical and physical properties, biological activities, safety and toxicity information, patents, literature citations and more. 7. Please and Thank you! IB Chemistry IA Ideas and Research Questions - chemistrytutor.me October 19, 2018 at 2:11 pm - Reply [] Secondly, some . It was observed this experiment . 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. How does voltage and electrolyte concentration affect the oxide layer thickness during the anodisation of aluminium? Administrative Links. The internal assessment in chemistry on criteria is for 24 marks and has 20% of weightage in the total score. 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. Looking for databases for chem IA [kinda urgent] I'm currently in a frenzy writing my SL chemistry IA that is technically due today. If you continue to use this site we will assume that you are happy with it. This is explained further. 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. If you have an account, sign in now to post with your account. The questions are not as varied as physics, where you have to apply a concept to various different types of questions. Notify me of follow-up comments by email. 85% (130) 85% found this document useful (130 votes) 195K views. Sitemap. Secondly, some of the projects below are just plain bad for reasons Ive outlined in my post about research questions. The resulting IA examiner comments are also provided for each biology IA. Among these, Personal Engagement refers to your choice of IB Chemistry IA idea and how well are you able to understand and engage with the same. PB_19, Is IB chemistry harder than A Level chemistry? This can be investigated using an acid-base titration. Is sublimation of salicylic acid after decomposition a reliable way to judge stability of aspirin tablets? It'll help reduce work load for both students and teachers, while ensuring students get a deeper understanding and focus on the HL subjects. By Is the hydrolysis of aspirin in the stomach affected by the presence of metal ions? 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. February 22, 2017 in Chemistry. Incorporating IM, TOK, 'Utilization' etc. The chemistry IA examples have been marked, following the IB chemistry IA criteria, by official IB chemistry IA examiners. The current programme reduced the overall component mark from 24% to 20%. 18. There is currently much unease and worry by both teachers and students about Individual Scientific Investigations that are based on secondary data. Alternatively, you could look at the saponification values of different fats. Investigate a weak acid-strong base titration (determine the Ka of a weak acid). 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. ICT in practical work. 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. The data collection effort has been conducted in an effort with the Materials Genome Initiative in an effort to increase materials discovery. How is the buffer action of the sodium ethanoate-ethanoic acid system affected by temperature? Reaxys -Web access to Beilstein/Gmelin and patent database; java structure editor; all users must create . So if I do this experiment, I will not see any difference in the protein content. The NIST Reference on Constants, Units, and Uncertainty. 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. Equally so, it is the first point of criticism for a teacher grading the work. Determine the enthalpy change of the thermal decomposition of sodium hydrogen carbonate. You can post now and register later. 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. 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. Chemistry IA Criteria Review. 13. r/IBO. My student wanted to do how peroxides can be a good preservation agent for milk. Search for content by subject in the Search field. www.thinkib.net. 21. 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 the % of chlorine in different bleaches or swimming pool water on different days. Full-Time. Investigating the effect of fermentation time and temperature on the pH of kimchi using acid-base titration. CareerBuilder TIP. 38. 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. Volatility can be quantified and measured (e.g. Its aim is to give examples showing how different topics in the IB chemistry syllabus can be linked to real-world investigations. Some natural pigments can be used as indicators as they change colour at certain pH values, for example the pigment curcumin found in turmeric. 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. For more information, please see our Provides access to scholarly journals and magazines covering the latest scientific developments. 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. Atoms with atomic number less than 36 (Krypton) with only . Does the amount of aspirin in different brands accurately match the label? In this post, we give you 50 IB Biology IA Ideas to help you speed up your research process. The justification given for choosing the research question and/or the topic under investigation demonstrates personal significance, interest or curiosity.

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