I examined the new IAs for the IBO, and I also developed and lead teacher training workshops for ICT in chemistry. Indigestion is caused by acid in the stomach, which can be neutralised with indigestion tablets. 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. It occurs in the presence of aqueous alkali and heat. Investigate the rate of evaporation of a liquid with respect to its temperature. A student's Research Question, or RQ, is the starting point for their IA. Place a thermometer in the mouth of the can with a piece of cotton wool to prevent heat loss. It does not consider the identity of the atoms or groups attached to the central atom however, and this does have an effect. This expanded the report to eleven pages. The concerns are many but essentially they are: I have two other concerns. 33. The chemistry IA examples have been marked, following the IB chemistry IA criteria, by official IB chemistry IA examiners. Is the release of ibuprofen from different formulations dependent upon pH and temperature, measured using acid-base titration? 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 . It scored 20/24 (which, according to the boundaries of the M20 session, was a 7). Investigating contents of EDTA in shower contents. 3. 11. ICT in practical work. Determining the activation energy of 3 different glowstick reactions by measuring light output at different temperatures. 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. Does the titration temperature affect how accurately the Mr of a hydrated salt can be determined using redox titration? 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. Responsibilities. 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. For more information, please see our Investigate how the hardness of water affects the solubility of salts. Investigating the effect of fermentation time and temperature on the pH of kimchi using acid-base titration. InThinking Subject Sites for teachers & their classes, Only teachers can take out free trials or subscriptions to our subject sites at 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. Unfortunately, I don't know where I lost the one mark. CareerBuilder TIP. Sitemap. You could determine the pKa values and pH ranges of natural indicators using. More. The degree of rotation can be used to calculate the concentrations of solutions. constant? A search through any reputable academic chemistry journal will show that articles are almost never formatted this way. To help with this, Ive produced a list of chemistry IA ideas, together with some example Research Questions (RQ). 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. 26. An example would help me understand (doesn't have to be chemistry). 1. Hi, I am a DP 2 student in IB Chemistry SL. 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. 17. Now many students are having to cope with an investigation based on secondary data. 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. Job DescriptionMust have: Mainframe, Cobol, SAS, CICS Job Title : Mainframe Developer Job Summary :See this and similar jobs on LinkedIn. What are good chemistry databases that can be used in the IA? Hi, I wanted to determine protein content of something over different cooking time but I did some research on the google and I found that proteins are not affected by heating. 50. Below you can explore some examples of such IA topics that are sure to score highly on the IA criteria! Display as a link instead, 34. Ive grouped them together according to the main experimental technique or measurement method. and write-up a Chemistry IA that will . Chemistry Carl is a highly-qualified tutor, teacher and examiner with an outstanding track record of helping students to succeed. Pasted as rich text. Is microscale chemistry a more efficient way to make aspirin in the laboratory? Hi, Im not sure I understand the question eggshell colour is due to the presence of pigments rather than Ca2+ ion concentration? and our In my current life I teach exclusively diploma chemistry, so I get to mentor more student projects than probably anyone else. Is the concentration of oxalate, measured by redox titration, in cooking water from foods like spinach affected by the water temperature and pH? Titrating the solution of unknown vitamin C content with iodine solution oxidises the vitamin C and reduces the iodine to iodide ions in a redox reaction. To achieve the maximum score The evidence of personal engagement with the exploration is clear with significant independent thinking, initiative or creativity. 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. Phosphorus is needed by plants in order to produce amino acids and hence proteins. Investigate the speed of neutralisation of antacids from different sources. Search for content by subject in the Search field. You could investigate the factors that affect the thickness of the metal layer produced, for example the voltage, electrolyte concentration, the charge on the metal ion in solution or the length of time that the current runs for. This page has Simulations and resources for high school students. You could find a compound that you are particularly interested in and synthesise it in the laboratory. 20 Topic Ideas to Get You Started on your Chemistry IA 1. Join. With that out of the way, heres the list: Hello Sir, For enzyme-catalysed reactions, you could identify at which temperature the enzyme is denatured. 12. vapour pressure) but smell characteristics you would have to think how you can quantify and measure. A leading publisher of authoritative scientific information. Virtual Labs The extent to which the rate increases depends on the order of reaction with respect to each reactant. Your previous content has been restored. $131,178 Yearly. James awarded it a mark of 7/24 which I felt fairly reflected its worth according to the IB assessment criteria. 17 (varies with grade boundaries) or above . 48. 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. Contact, Twitter Investigating whether ideal or non-ideal gases give a more accurate determination of absolute zero using volume-temperature ratio. 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. Any IA lab should be thoroughly risk assessed by yourself and your teacher should check this risk assessment. How does the ethanol concentration vary for different wines when measured using back-titration with dichromate and ferrous ammonium sulfate? Paste as plain text instead, Investigate the effects of heterogeneous catalysis on the activation energy of a reaction. Education. How does pH affect the colour of Sudan IV produced from a diazotisation reaction? 2014 DP Chemistry (Last exam Nov 2024) Practical scheme of work & IA. Could someone please give me some ideas of a database IA that could be done? Please do not just copy directly from this list! 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. 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. Onmy page on History of Internal Assessment I have detailed how the IA assessment has changed over the years. 25. Investigate the energy densities of fuels versus the bond strength (using a database). Investigate the rate of evaporation of a liquid with respect to its temperature. 5. . Search for content by subject in the Search field. Chemistry Library List of useful databases These databases are of particular interest for chemists. 43. Measure the concentration of zinc ions in a dietary supplement. You cannot paste images directly. DOC home page . 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. Is the enthalpy of neutralisation for different acids and alkalis aways 55 kJ mol per mole? Investigate the factors affecting the colours of transition metal compounds (through the use of a colorimter). Determine the concentration of biodiesel produced from fruits by using calorimetry. Does cooking temperature affect the concentration of ethanoic acid in vinegar, measured by acid-base titration? December 13, 2017 in Chemistry. Do note there is a 12 page limit. 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? Common Chemistry (CAS) -Lookup CAS Reg.Number via common chemical name and vice versa. To examine if oxalic acid or citric acid rust removers are more effective at higher temperatures using redox titration. The resulting IA examiner comments are also provided for each chemistry IA. 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. Help us improve CareerBuilder by providing feedback about this job: Report this job Job ID: 7BD72A3F29FCA7C0B191AF52B99. Investigating the kinetics of the reaction between potassium iodide and lead nitrate using microchemistry, Modelling bond angles in organic compounds and comparing them to actual values using ACD ChemSketch, The effect of halogen electronegativity and atomic radius on bond angles in halogenoalkanes determined using CambridgeSoft Chem3D software. Royal Society of Chemistry Resources, videos and screen experiments for teachers and students. The Rate of Decay of full fat and Skim Milks at Different Temperatures. Databases. Atoms with atomic number less than 36 (Krypton) with only . Click here to check them out! You could look at vitamin C tablets, different brands of orange juice or solid fruit and vegetables. Is IB chemistry harder than A Level chemistry? For example, does increasing size of an alkyl group attached to the central atom have an effect? Investigating the effect of storage temperature on the sulfite concentration of Rioja using iodometric titration. 23. I might just be wrong about how I'm actually supposed to use a database. Iodine is an essential part of our diet and helps synthesise thyroid hormones to regulate metabolism. You could then work out the percentage yield of the experiment by comparing your experimental yield to the theoretical yield. As biosciences become increasingly informatic in nature, knowing how to access, use and interpret is a valuable skill. 37. Hello, Ive been struggling for a while to come up with a type of question to be able to do an IA with. Investigate the esterification of soaps. Alternatively, you could look at the saponification values of different fats. 38. One of the major challenges students of International Baccalaureate is finding and selecting a topic for the essay and rightly so. The enthalpy of a specific bond is defined as the amount of energy required to break one mole of the bond in gaseous molecules, calculated as an average value over a range of different molecules. Measuring the calcium ion content of six different soft cheeses using EDTA complexometric titration. The page has two very different functions. Reaxys -Web access to Beilstein/Gmelin and patent database; java structure editor; all users must create . 27 days ago. Investigating the relationship between metal ion charge density and thermal stability using thermal decomposition experiments. Investigating the ability of different anhydrous salts to absorb water from organic solvents by measuring cobalt(II) absorbance. Does the charge density of the salt ions affect the partition ratio for caffeine extraction from water with different solvents? For example, by how much does the enzyme urease lower the activation energy for the hydrolysis of urea into ammonia and carbon dioxide. 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. 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. Your link has been automatically embedded. Are there more waters of crystallisation in cheap washing soda? 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. Finding reliable and complete databases is important to make sure your results are accurate. Vasy Kafidoff. Over 50% of my students achieved a 6 or 7 in their IA component. Which endothermic reactions are good for use in cooling packs, investigated with simple calorimetry? IB Chemistry IA ideas VSEPR theory predicts the shape and bond angles of molecules based on the number of bonding and non-bonding pairs of electrons around the central atom. Title: The Effect of Changing Solutes on the Conductivity of a Solution Name: Kerry Jacobs Course: IB Chemistry Date: Or how does the type of intermolecular bonding present in a fuel affect the enthalpy of combustion? A more thorough procedure can be found. 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. 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. Positions under this announcement are being filled using a D irect Hire Authority (DHA) and Recruitment Incentive is authorized for eligible, highly-qualified applicants. The CSD is used in almost every chemistry department worldwide by universities and pharmaceutical companies. 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! In line with the IB Learner Profile, "Act with integrity and honesty". This is explained further. Chemistry IA - Free download as Word Doc (.doc / .docx), PDF File (.pdf), Text File (.txt) or read online for free. 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! What is the iodine number of different cooking oils? 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. This is a project that accounts for 20% of your final grade. You can compare different brands of indigestion tablet that contain different active ingredients. Your IB Chemistry IA will be evaluated based on - Personal Engagement, Exploration, Analysis, Evaluation and Communication. 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) We suggest you use these International baccalaureate chemistry IAs to get IB chemistry IA ideas and explore possible chemistry IA topics for your .

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