Using back titration to investigate whether the concentration of aspirin from more expensive tablets is higher after 30 minutes than from cheaper ones. Online Chemistry Tutor for A Level and IB | Dr Carl Thirsk. 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. 'Utilization' - Relationships between topics, Relating Topics 4 & 14 to all the other topics, 3 & 13. also sounds too simplistic to me as you can quite easily predict that relationship. 85% (130) 85% found this document useful (130 votes) 195K views. The extent to which the rate increases depends on the order of reaction with respect to each reactant. Does the ethanoic acid concentration vary in vinegars obtained from different grains? To examine if oxalic acid or citric acid rust removers are more effective at higher temperatures using redox titration. The criteria are less easy to address than if hands-on work has been performed. Any simple topic could be used for your Chemistry IA. How does fermentation time effect the amount of salt in miso paste, determined via argentometric titration (Volhard method)? 43. 2 4 comments Best Add a Comment Rayford_Beez 4 yr. ago Depends on what you need it for. Investigate the enthalpy change of a redox reaction. and our Now many students are having to cope with an investigation based on secondary data. Determine the amount of copper in coins using colorimetric analysis. If you are a student and wish to access these resources, ask your school to subscribe. 28. Chemistry Carl is a highly-qualified tutor, teacher and examiner with an outstanding track record of helping students to succeed. 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? 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. Prepare and test of buffer solutions. Does cooking time affect how much oxalate is released from spinach? The University subscribes to many other databases in other disciplines that may be of interest to you, see the A-Z Databases website. This is a list of ideas only, intended as a source of inspiration for students who are stuck for an idea. vapour pressure) but smell characteristics you would have to think how you can quantify and measure. For example, by how much does the enzyme urease lower the activation energy for the hydrolysis of urea into ammonia and carbon dioxide. How is the rate of SN2 reactions affected by the carbon-halogen bond strength? One of the biggest challenges facing students taking IB chemistry is coming up with a good Internal Assessment (IA) idea. Using microscale chemistry to determine the relationship between solubility product and temperature for different metal halides. Is microscale chemistry a more efficient way to make aspirin in the laboratory? What type of relationship is it? Will conclusion affect my point. Because I wrote the article, I cannot really assess it in a subjective or unbiased way but it seems to me that James' mark is spot on. The concerns are many but essentially they are: I have two other concerns. You could investigate how soil quality changes along a transect, or take samples from different brands of soil to compare. 36. 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Investigate the effects of heterogeneous catalysis on the activation energy of a reaction. Chemistry Databases. Email : ibeliteacademy@gmail.com Skype : www.ibeliteacademy.com +91-9990664500 , +91-9990664300 Register As TutorRegister As Student Search Menu Online IB Chemistry Tutors IB Chemistry Tutor Provides access to scholarly journals and magazines covering the latest scientific developments. You could investigate how the rate of reaction increases with increasing temperature, and whether there is an optimum temperature for the reaction. 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. Investigate the effect of different ionic salts on the freezing point depression of water. The research question ends up being something along the lines of, "To what extent does (independent variable) affect (dependent variable) at (blah blah specific conditions or variations youll have)?". Each of the following example will cover a basic experimental concept and then suggest some adaptions or different perspectives you could take. Measure the concentration of zinc ions in a dietary supplement. 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. 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 lattice enthalpy of different salts affect how effectively they melt ice? 25. Could you please elaborate so I can explain him? PB_19, If you have an account, sign in now to post with your account. Contact, Twitter I examined the new IAs for the IBO, and I also developed and lead teacher training workshops for ICT in chemistry. Unfortunately, I don't know where I lost the one mark. The NIST Reference on Constants, Units, and Uncertainty. 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). Royal Society of Chemistry Resources, videos and screen experiments for teachers and students. Privately organized database; information on chemical substances. IA Biology HL 6. | For enzyme-catalysed reactions, you could identify at which temperature the enzyme is denatured. So if I do this experiment, I will not see any difference in the protein content. Within the finish, there are many colours produced depending on the paint company from 100 to 10000. 45. Chemical structure database; access to over 43 million structures, properties, and associated information. The. You could compare the experimental values with the actual values, or investigate how different cooking or preparation methods affect the amount of calories in a food. Ive grouped them together according to the main experimental technique or measurement method. Does the amount of aspirin in different brands accurately match the label? This is a project that accounts for 20% of your final grade. This is about how well you engage with the project and make it your own. 36. Which endothermic reactions are good for use in cooling packs, investigated with simple calorimetry? How does voltage and electrolyte concentration affect the oxide layer thickness during the anodisation of aluminium? Does the temperature at which the titration takes place have an effect on the amount of iodine released from the salt? Are there more waters of crystallisation in cheap washing soda? Does the concentration of nitrate ions in soil affect the mass of water that smart polymer hydrogels can absorb? You still need both a theoretical model and data, even if you are not carrying out an experiment. Is microscale chemistry a safe and convenient way to do reactions with halogens in a high school environment? The effect of temperature, pH or salinity on oxygen content could be investigated as one of your IB Chemistry IA ideas. 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. | Measuring the calcium ion content of six different soft cheeses using EDTA complexometric titration. Below you can explore some examples of such IA topics that are sure to score highly on the IA criteria! Hi, I am a DP 2 student in IB Chemistry SL. . Is the absorbance of light by transition metal complex related to the ligand charge? You could investigate how different factors affect the percentage yield of soap produced. Investigate the effect of solvents in paper chromatography and thin layer chromatography. This work can be on primary or secondary data but well analyzed and critically evaluated. How is the buffer action of the sodium ethanoate-ethanoic acid system affected by temperature? The Internal Assessment (IA) is a mini-research project. Investigating the bleaching of various food colourings to determine the rate constant. 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. Consequently, a well formed Research Question is essential to ensure a high quality IA. 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. 13. We use cookies to ensure that we give you the best experience on our website. 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. 10 Examples of formatting data tables. You could investigate how factors such as the length of fermentation affects the pH of the substance. Which is the best catalyst for hydrogen peroxide decomposition, potato, liver, manganese oxide or potassium permanganate? Here are some more of our posts you might find useful: We have a team of awesome tutors ready to help you ace the IB. Is their a correlation between metal ion charge and wavelength of light absorbed by transition metal complexes? 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. 03 examples of research questions. Several tips I would recommend: Find a personal topic which is of interest to you to introduce what stimulated your inclination to this . Display as a link instead, A more thorough procedure can be found. Do other transition metals apart from iron(II) catalyse the iodine-clock reaction? Your link has been automatically embedded. February 22, 2017 in Chemistry. I am not sure how I can develop this up into an RQ. How does oxidant concentration affect the intensity of light produced from luminol? Database based Exploring how algae samples' primary productivity changes with temperature, algae concentration, other aquatic plants, turbidity, salinity, nutrients, and other factors. Does vitamin C act as a radical scavenger and slow down the rate of free radical substitution? These concern developing experimental and investigative scientific skills including the use of current technologies and the . This is explained further. 27 days ago. Does boiling time effect the protein concentration in milk, measured using bicinchoninic acid assay and colorimetry? See why 94% of our customers said they would be likely to recommend Alloy.ai. Databases in IB Bio The questions are not as varied as physics, where you have to apply a concept to various different types of questions. 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. How do light intensity and temperature affect the stability of unsaturated oils, determined by measuring iodine number? You could look at vitamin C tablets, different brands of orange juice or solid fruit and vegetables. You cannot paste images directly. Applied Chemicals and Materials Division. IA Information Unit 1 - Equilibrium Unit 2 - Redox Processes Unit 3 - Organic Chemistry Unit 4 - Spectroscopic Identification of Organic Compounds Unit 5 - Option B - Biochemistry Unit 6 - Ontario Curriculum Grade 12 Chemistry IB Exam Preparation IB Chemistry Database Question Bank Class Links Glenview Park S.S. Main Page Google Drive Login Please do not just copy directly from this list! It provides also a good selection of cited works. ACS Could someone please give me some ideas of a database IA that could be done? 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. 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. 32. Help us improve CareerBuilder by providing feedback about this job: Report this job Job ID: 7BD72A3F29FCA7C0B191AF52B99. 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. Indigestion is caused by acid in the stomach, which can be neutralised with indigestion tablets. This expanded the report to eleven pages. Urease is found naturally in soil, so urea is used as a fertiliser to release ammonia. Common Chemistry (CAS) -Lookup CAS Reg.Number via common chemical name and vice versa. Paste as plain text instead, 6. The pigments found in certain substances such as makeup products or coloured foods could also be investigated using paper or thin layer chromatography. 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 data collection effort has been conducted in an effort with the Materials Genome Initiative in an effort to increase materials discovery. All articles are only published after being peer-reviewed and approved by the editorial board. 31. 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! 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. Investigate a factor influencing retention in paper chromatography of amino acids. There is a variation of CaCo3 between the bases. 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. Determine the enthalpy change of the thermal decomposition of sodium hydrogen carbonate. Strugglingfor IB Chemistry IA Ideas? You could use polarimetry to investigate the kinetics of a reaction in which the reactants/ products are optically active, for example, the catalysed. LinkedIn, Course for students (First exam May 2025), Short cut to give students access to a page, MC test: Nature of matter & chemical change, Nature of matter & chemical change questions, Covalent structure (2) Shapes & polarity questions, MC test: Further aspects of covalent bonding, Further aspects of covalent bonding questions, MC test: Collision theory & rates of reaction, MC test: Rate expression & reaction mechanisms, MC test: Calculations involving acids & bases, Electrochemical cells (1) (AHL) questions, Electrochemical cells (2) (AHL) questions, MC test: Fundamentals of organic chemistry, Fundamentals of organic chemistry (1) questions, Fundamentals of organic chemistry (2) questions, MC test: Alkanes, alkenes & addition polymers, MC test: Electrophilic addition & electrophilic substitution reactions, Spectroscopic identification of organic compounds, MC test: Spectroscopic identification of organic compounds, Identification from spectra - Question 10, Spectroscopic identification of organic compounds (AHL), MC test: Spectroscopic identification of organic compounds (AHL), Identification from spectra - Question 11, Identification from spectra - Question 12, Identification from spectra - Question 13, Identification from spectra - Question 14, Identification from spectra - Question 15, Identification from spectra - Question 16, Identification from spectra - Question 17, Identification from spectra - Question 18, Identification from spectra - Question 19, Identification from spectra - Question 20. An example showing how rate of reaction can be measured by change in mass can be found. Saponification is the process of converting fat/oils/lipids into soap, which is the salt of a fatty acid. ACS A leading publisher of authoritative scientific information. If you have an account, sign in now to post with your account. Facebook Does the charge density of the salt ions affect the partition ratio for caffeine extraction from water with different solvents? The amount of phosphate present in soil samples can be determined using a. The addition of the one millionth structure to the Cambridge Structural Database (CSD) was an incredible achievement for the whole community. 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. 10. Volatility can be quantified and measured (e.g. Furthermore, you could then predict a reaction mechanism for the reaction and compare this with literature findings. You can compare different brands of indigestion tablet that contain different active ingredients. Thank you for taking a look through our IB Chemistry IA ideas, and we hope youve found some inspiration for your own IA! You could look at different types/ sources of salt and compare your experimental values to the stated values. How does the ethanol concentration vary for different wines when measured using back-titration with dichromate and ferrous ammonium sulfate? Education. Investigate the % of chlorine in different bleaches or swimming pool water on different days. I am sure IB will consider this in their guidance pack they share with examiners/moderators nearer the time of exam period. Redox reaction: removal of tarnish from objects 2. Investigate the Ideal Gas Laws using a data logger. 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. It often is the "make or break" so do ensure to take it seriously. 7. I've chosen a database topic, but I don't actually know where/how to find said databases. NIST Computational Chemistry Comparison and Benchmark Database. 2. Compunnel Inc. Clinton, IA4 weeks agoBe among the first 25 applicantsSee who Compunnel Inc. has hired for this roleNo longer accepting applications. Databases. Youve reached that stage in your IB journey where you have to decide what to do for your Chemistry Internal Assessment (IA). etc. Please let me know. It is often used for decorative or protective means. 4. The current programme reduced the overall component mark from 24% to 20%. Students are expected to perform at least one exercise using a database in order to fulfil Aims 6 & 7 in the Guide. More. Clear editor. To score 7 IB points in chemistry the IA should have approx. 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 resulting IA examiner comments are also provided for each chemistry IA. 27. Possible factors include the concentration of the alkali used, the temperature at which the reaction occurs or the length of the saponification reaction. Display as a link instead, As biosciences become increasingly informatic in nature, knowing how to access, use and interpret is a valuable skill. You cannot paste images directly. Over 50% of my students achieved a 6 or 7 in their IA component. Investigate the esterification of soaps. 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.

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