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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. 32. r/IBO. An example would help me understand (doesn't have to be chemistry). Could you please elaborate so I can explain him? 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. Quick disclaimer; my Biology IA was a database IA, so the majority of the tips I'll share in this post will specifically relate to writing a successful database IA. Compunnel Inc. Clinton, IA4 weeks agoBe among the first 25 applicantsSee who Compunnel Inc. has hired for this roleNo longer accepting applications. 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. 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. Redox titration can also be used to determine the vitamin C content of foods and drinks. Investigate the hardness of water from different local sources. You could investigate the relationship between surface area of a reactant and the rate of reaction. Acid-base titrations can also be used to assess the acidity of fermented foods and drinks such as sauerkraut and kombucha. 45. As biosciences become increasingly informatic in nature, knowing how to access, use and interpret is a valuable skill. 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. None of the words variable, dependent, independent and constant appear even once in the assessment criteria. To examine if oxalic acid or citric acid rust removers are more effective at higher temperatures using redox titration. About us Does cooking temperature affect the concentration of ethanoic acid in vinegar, measured by acid-base titration? Your previous content has been restored. The database includes liquid-liquid, solid-liquid, and gas-liquid systems. Is ease of thermal decomposition of metal carbonates related to their solubility? 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Determine the amount of copper in coins using colorimetric analysis. Its aim is to give examples showing how different topics in the IB chemistry syllabus can be linked to real-world investigations. What type of relationship is it? Do not attach the full screen print. Provides access to scholarly journals and magazines covering the latest scientific developments. The Rate of Decay of full fat and Skim Milks at Different Temperatures. vapour pressure) but smell characteristics you would have to think how you can quantify and measure. You can see the results of my investigation on a separate page on this website. Does water temperature or pH most affect oxygen levels in lakes as measured using the Winkler method? An example showing how rate of reaction can be measured by change in mass can be found. You could use polarimetry to investigate the kinetics of a reaction in which the reactants/ products are optically active, for example, the catalysed. 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! Does vitamin C act as a radical scavenger and slow down the rate of free radical substitution? 39. Fragmentation is a type of chemical dissociation, in which the removal of the electron from the molecule results in ionization. February 22, 2017 in Chemistry. 14. Chemistry IA Criteria Review. Applied Chemicals and Materials Division. You still need both a theoretical model and data, even if you are not carrying out an experiment. A calorimeter can also be used to work out how many calories are in different types of food and drink. If you are a student and wish to access these resources, ask your school to subscribe. Investigate the solubility of salts (Ksp values). 'Utilization' - Relationships between topics, Relating Topics 4 & 14 to all the other topics, 3 & 13. Students are expected to perform at least one exercise using a database in order to fulfil Aims 6 & 7 in the Guide. My student wanted to do how peroxides can be a good preservation agent for milk. The statements are deliberately broad and, if you decide to use any of these ideas, you should be as specific as you can. Measuring the calcium ion content of six different soft cheeses using EDTA complexometric titration. Chemistry Carl is a highly-qualified tutor, teacher and examiner with an outstanding track record of helping students to succeed. Which endothermic reactions are good for use in cooling packs, investigated with simple calorimetry? Each of the following example will cover a basic experimental concept and then suggest some adaptions or different perspectives you could take. 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. Your link has been automatically embedded. However, surely the IB should be rewarding real chemistry not insisting on mindless box ticking particularly if final grades are going to depend upon it. 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. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. 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. For example, by how much does the enzyme urease lower the activation energy for the hydrolysis of urea into ammonia and carbon dioxide. Designed by Harvard tutors to allow you exceed beyond expectations. 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. I might just be wrong about how I'm actually supposed to use a database. Balancing chemical equations using algebra, Choosing a Chemistry IA Research Question - chemistrytutor.me. I am not sure how I can develop this up into an RQ. Thank you for taking a look through our IB Chemistry IA ideas, and we hope youve found some inspiration for your own IA! 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. In contrast, dyes are either liquids or soluble, but can be converted to pigments by precipitation with a metallic salt. To score 7 IB points in chemistry the IA should have approx. $131,178 Yearly. Over 50% of my students achieved a 6 or 7 in their IA component. 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. Investigate the rate of adsorption of organic acids on charcoal. InThinking Subject Sites for teachers & their classes, Only teachers can take out free trials or subscriptions to our subject sites at Investigate variables affecting water absorption polymers. Investigating the organometallic reaction between alkyl magnesium halides and propanone (Grignard chemistry), Investigating the effect of halide substituent on the yield of phenacetin, prepared from paracetamol by Williamson ether synthesis, Extracting Oil of Wintergreen and Menthol from Kwan Loong Oil using steam distillation. Titration: Sweetener Dulcin synthesis from Analgesic Tylenol. Database based Exploring how algae samples' primary productivity changes with temperature, algae concentration, other aquatic plants, turbidity, salinity, nutrients, and other factors. You do not need to show the detail view of any table. How is the rate of SN2 reactions affected by the carbon-halogen bond strength? 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. Ive also added James comments at the end of the report. 6. Investigate the effect of soil pH on the chlorophyll content in plant leaves. Pasted as rich text. The earlier post I wrote on research questions will hopefully help. You could investigate why and how the value for a particular bond enthalpy changes depending on the overall molecule in which it is found. This is a list of 50 IB Chemistry IA Ideas, intended solely as a starting point or source of inspiration for students stuck for ideas. Using halide ion test to determine the activation energy for SN2 reactions of different halogenoalkanes with sodium hydroxide. IA Biology HL 7. Chemical structure database; access to over 43 million structures, properties, and associated information. Does the titration temperature affect how accurately the Mr of a hydrated salt can be determined using redox titration? 27 days ago. Measure the concentration of zinc ions in a dietary supplement. Help us improve CareerBuilder by providing feedback about this job: Report this job Job ID: 7BD72A3F29FCA7C0B191AF52B99. Which factor, UV light, temperature or pH has the greatest effect on the denaturation of lipase measured using UV-VIS spectroscopy? The internal assessment in chemistry on criteria is for 24 marks and has 20% of weightage in the total score. 13. r/IBO. I was able to find extensive info on Wikipedia, but I doubt . The crushed up indigestion tablet solution is titrated with hydrochloric acid to calculate how much acid the tablet can neutralise, as can be seen. Detailed instructions for the experiment can be found. It scored 20/24 (which, according to the boundaries of the M20 session, was a 7). The oxygen content of water in lakes or reservoirs can be measured using the Winkler method, which is described. Investigate the speed of neutralisation of antacids from different sources. Does the ethanoic acid concentration vary in vinegars obtained from different grains? How does the ethanol concentration vary for different wines when measured using back-titration with dichromate and ferrous ammonium sulfate? 03 examples of research questions. Does thermal decomposition allow unknown salts to be identified? If you have an account, sign in now to post with your account. Egg shell is a finish Like Matt finish, Low sheen, Egg shell, Semi gloss, Gloss etc. Is the rate of copper purification affected by the voltage? Do different grades of brass contain different amounts of copper? I'm looking for data on the properties of vinyl polymers. 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 the charge density of the salt ions affect the partition ratio for caffeine extraction from water with different solvents? Any simple topic could be used for your Chemistry IA. 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. 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 . Alternatively, sign up to our sites at www.studyib.net 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. Does cooking time affect rate of chlorophyll degradation? Is the concentration of oxalate, measured by redox titration, in cooking water from foods like spinach affected by the water temperature and pH? 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. There is evidence of personal input and initiative in the designing, implementation or presentation of the investigation.. How do light intensity and temperature affect the stability of unsaturated oils, determined by measuring iodine number? Investigating contents of EDTA in shower contents. What is the pKa value for natural indicators obtained from peonies, poppies and red cabbage, determined using colorimetry? Within the finish, there are many colours produced depending on the paint company from 100 to 10000. Over 50 Chemistry Simulations, from Acid-Base Solutions to Wave on a String. Job DescriptionMust have: Mainframe, Cobol, SAS, CICS Job Title : Mainframe Developer Job Summary :See this and similar jobs on LinkedIn. November 15th, 2021. Full-Time. 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! How does reaction temperature affect the yield of the diazo dye Disperse Red 13 in the Sandmeyer reaction? . As temperature increases, the rate of reaction increases as the particles have more kinetic energy so collide more often, and these collisions are more likely to result in a successful reaction. Your link has been automatically embedded. Do note there is a 12 page limit. Any IA lab should be thoroughly risk assessed by yourself and your teacher should check this risk assessment. Removal of electrons from either sigma bond, pi bond or nonbonding orbitals causes the ionization. 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. Scribd is the world's largest social reading and publishing site. Chemistry IA - Free download as Word Doc (.doc / .docx), PDF File (.pdf), Text File (.txt) or read online for free. Example IB Chemistry IA - Free download as PDF File (.pdf), Text File (.txt) or read online for free. Iodine is an essential part of our diet and helps synthesise thyroid hormones to regulate metabolism. Are there more waters of crystallisation in cheap washing soda? Investigate the effect of pH on the rate of rusting. 85% (130) 85% found this document useful (130 votes) 195K views. Find below the assessment criteria used for chemistry independent investigations. 36. A polarimeter is a device that measures the rotation of polarised light as it passes through an optically active fluid. Determine the concentration of biodiesel produced from fruits by using calorimetry. IB Survival LLC. ICT in practical work. How does the size and charge of spectator ions affect the value for the enthalpy of neutralisation, measured using calorimetry? A mass change and signs of electroplating were observed. 13. This page has Simulations and resources for high school students. It should be clear from these guidelines that you need to choose your own project and completely own it. 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. I'm not asking for a research question, but could you give me some tips on how to turn ideas into viable research questions. . 12. Powered by Invision Community, IB Survival is now part of Lanterna Education. 2 4 comments Best Add a Comment Rayford_Beez 4 yr. ago Depends on what you need it for. Click here to check them out! ChemistryViews is the online science news magazine of Chemistry Europe. By Is microscale chemistry a safe and convenient way to do reactions with halogens in a high school environment? This work can be on primary or secondary data but well analyzed and critically evaluated. Do expensive iron tablets contain more iron than cheaper vitamin tablets? However, He cant explain to himself the relationship between water and calcium ion concentration. Investigate how the hardness of water affects the solubility of salts. It is an opportunity to show-off your chemistry skills and knowledge and investigate interesting ideas without the pressure and constraints of the written exams. 24. The data collection effort started in 2014 with a trial system of aluminum, magnesium, and silicon (and their binaries and ternary system data). ACS Databases in IB Bio Build a logical database model in MySQL for this in 3NF form. 2. Measure the concentration of zinc ions in a dietary supplement. Research questions are difficult to find and formulate where enough data from different sources can be utilized. 8. There are several reasons why you shouldnt do this: Firstly, one of the internal assessment criteria is Personal Engagement. 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.