Investigate the equivalence point of weak / strong acids and weak / strong bases. Determine the activation energy of iodine-clock reaction. Display as a link instead, 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. Does the concentration of nitrate ions in soil affect the mass of water that smart polymer hydrogels can absorb? Each of the following example will cover a basic experimental concept and then suggest some adaptions or different perspectives you could take. Is the oxygen level in my local canal enough to satisfy the biological oxygen demand (BOD) for fish? Youve reached that stage in your IB journey where you have to decide what to do for your Chemistry Internal Assessment (IA). Investigate factors determining heat of combustion in alcohols. We suggest you use these International baccalaureate chemistry IAs to get IB chemistry IA ideas and explore possible chemistry IA topics for your . Does the titration temperature affect how accurately the Mr of a hydrated salt can be determined using redox titration? 31. February 22, 2017 in Chemistry. Secondly, some of the projects below are just plain bad for reasons Ive outlined in my post about research questions. My chemistry teacher hasn't really explained how to do our IA and I'm running out of time. Calculate the Kw for water at different temperatures by measuring its pH. rawan1408, 11. Some natural pigments can be used as indicators as they change colour at certain pH values, for example the pigment curcumin found in turmeric. Click here to check them out! West Des Moines, IA. 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. So chemistry-wise I start with a broad base. 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. Upload or insert images from URL. Students are expected to perform at least one exercise using a database in order to fulfil Aims 6 & 7 in the Guide. Chemical structure database; access to over 43 million structures, properties, and associated information. $131,178 Yearly. My chemistry (SL) class has already begun the Internal Assesment and I've chosen to do a database IA. I am sure IB will consider this in their guidance pack they share with examiners/moderators nearer the time of exam period. Privately organized database; information on chemical substances. 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. A student's Research Question, or RQ, is the starting point for their IA. Below I will attach a PDF of my Chemistry IA (submitted for Chemistry HL). So all in all a mediocre to poor report according to the IB assessment criteria. Any simple topic could be used for your Chemistry IA. 13. You still need both a theoretical model and data, even if you are not carrying out an experiment. . We publish practical and reliable organic, organometallic and inorganic chemical synthesis, reactions and procedures deposited by synthetic chemists. ChemSpider is a free chemical structure database providing fast text and structure search access to over 67 million structures from hundreds of data sources. 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. 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? and write-up a Chemistry IA that will . For example, does increasing size of an alkyl group attached to the central atom have an effect? 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. Investigate variables affecting water absorption 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. Chemistry Carl is a highly-qualified tutor, teacher and examiner with an outstanding track record of helping students to succeed. Urease is found naturally in soil, so urea is used as a fertiliser to release ammonia. For example, by how much does the enzyme urease lower the activation energy for the hydrolysis of urea into ammonia and carbon dioxide. 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. There are many different ways to measure the rate of reaction depending on the particular reaction. Using halide ion test to determine the activation energy for SN2 reactions of different halogenoalkanes with sodium hydroxide. Finding reliable and complete databases is important to make sure your results are accurate. Will conclusion affect my point. | Compunnel Inc. Clinton, IA4 weeks agoBe among the first 25 applicantsSee who Compunnel Inc. has hired for this roleNo longer accepting applications. 34. Strangely, despite me thinking that my Chemistry IA was the best out of all my science IAs, it scored the lowest mark among them. This is a list of ideas only, intended as a source of inspiration for students who are stuck for an idea. This guide is suitable for both Standard Level and Higher Level candidates. What are ionic equations and ionic half-equations? 47. The amount of phosphate present in soil samples can be determined using a. Chemistry Library List of useful databases These databases are of particular interest for chemists. 10. The extent to which the rate increases depends on the order of reaction with respect to each reactant. Linking volatility and your independent variable (number of double bonds?) The ideas presented here are exactly that ideas, not research questions. Egg shell is a finish Like Matt finish, Low sheen, Egg shell, Semi gloss, Gloss etc. This expanded the report to eleven pages. You can post now and register later. How does fermentation time effect the amount of salt in miso paste, determined via argentometric titration (Volhard method)? Hi, Im not sure I understand the question eggshell colour is due to the presence of pigments rather than Ca2+ ion concentration? Investigating the ability of different anhydrous salts to absorb water from organic solvents by measuring cobalt(II) absorbance. Could you please elaborate so I can explain him? Reddit and its partners use cookies and similar technologies to provide you with a better experience. Can Charles Law be used to accurately determine absolute zero? 01 chem databases and simulations IA student samples. Does the ethanoic acid concentration vary in vinegars obtained from different grains? Find below the assessment criteria used for chemistry independent investigations. 42. Provided by the Royal Society of Chemistry (RSC) ChemSub Online. 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. The energy content of different fuels can be compared using a. IB Chemistry IA Ideas and Research Questions, 50+ Chemistry IA Ideas with Research Question Examples, One of the biggest challenges facing students taking IB chemistry is coming up with a good Internal Assessment (IA) idea, Chemistry IA topics on electrochemistry (voltaic cells, voltammetry, electrolysis), Chemistry IAs involving microscale chemistry, IA topics using photoconductivity (measuring light intensity), IAs involving polarimetry (measuring optical rotation), Chemistry IA topics involving redox titration, Chemistry IA topics based around synthesis, Limiting and excess reactants in chemistry, Easy way to balance chemical equations for GCSE. IA Biology HL 6. Volatility can be quantified and measured (e.g. 27 days ago. Upload or insert images from URL. Does vitamin C act as a radical scavenger and slow down the rate of free radical substitution? You could then work out the percentage yield of the experiment by comparing your experimental yield to the theoretical yield. What the IA is about within HL Chemistry? 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. and our Provides access to scholarly journals and magazines covering the latest scientific developments. To investigate whether different iron complexes used in vitamin tablets are affected by pH using manganate(VII ) 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 . If you continue to use this site we will assume that you are happy with it. Its aim is to give examples showing how different topics in the IB chemistry syllabus can be linked to real-world investigations. Investigate the effect of different ionic salts on the freezing point depression of water. 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 crushed up indigestion tablet solution is titrated with hydrochloric acid to calculate how much acid the tablet can neutralise, as can be seen. 50. 25. It should be clear from these guidelines that you need to choose your own project and completely own it. The current programme reduced the overall component mark from 24% to 20%. 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. It was then sent off to be marked by James and came back with the mark of 24/24 with glowing comments. Investigate how the hardness of water affects the solubility of salts. You can post now and register later. Is the rate of copper purification affected by the voltage? 7. Chemistry for Queensland Units 3&4 explores electrolytic cells using carbon electrodes. Trying to choose a topic for your IB Chemistry IA can be difficult, especially when youre limited to a school laboratory and not much time! Here are two examples of database labs in chemistry. 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). See why 94% of our customers said they would be likely to recommend Alloy.ai. It is often used for decorative or protective means. The resulting IA examiner comments are also provided for each chemistry IA. Your previous content has been restored. 26. Found so much value from your post! 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. The journal also emphasizes mathematical articles devoted to the mathematical treatment of questions arising in physics, chemistry, biology, engineering and all applied sciences. 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. It is not a list of ready-made IAs for students to copy, so do not copy directly . 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. IB Chemistry IA Ideas and Research Questions - chemistrytutor.me October 19, 2018 at 2:11 pm - Reply [] Secondly, some . Removal of electrons from either sigma bond, pi bond or nonbonding orbitals causes the ionization. Investigate the catalytic abilities of different transition and metal oxides.

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