Is ease of thermal decomposition of metal carbonates related to their solubility? Or how does the type of intermolecular bonding present in a fuel affect the enthalpy of combustion? 13. r/IBO. Does the titration temperature affect how accurately the Mr of a hydrated salt can be determined using redox titration? This is a list of ideas only, intended as a source of inspiration for students who are stuck for an idea. IB Biology Internal Assessment (23/24) - Chiron Compunnel Inc. Clinton, IA4 weeks agoBe among the first 25 applicantsSee who Compunnel Inc. has hired for this roleNo longer accepting applications. Despite this, in order for students to gain high marks, the RQ is almost required to be written in the form of How does altering variable A affect variable B whilst keeping variables W, X, Y, Z etc. 45. The molecular formula of unknown hydrated salts can be calculated using thermal decomposition reactions. Investigate the energy densities of fuels versus the bond strength (using a database). 41. Chemistry Library List of useful databases These databases are of particular interest for chemists. Which factor, UV light, temperature or pH has the greatest effect on the denaturation of lipase measured using UV-VIS spectroscopy? Phosphorus is needed by plants in order to produce amino acids and hence proteins. Does vitamin C act as a radical scavenger and slow down the rate of free radical substitution? Choosing a Chemistry IA Research Question I really want to do a database IA because I'm terrible at lab work and besides, all of our class time for lab experiments is over. Now many students are having to cope with an investigation based on secondary data. Most of them gives the colours through tinting platform Base + tinter combination. Redox titration can also be used to determine the vitamin C content of foods and drinks. document.write(new Date().getFullYear()) InThinking 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. Online Chemistry Tutor for A Level and IB | Dr Carl Thirsk. 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. I was able to find extensive info on Wikipedia, but I doubt . Investigate the hardness of water from different local sources. You can see the results of my investigation on a separate page on this website. Removal of electrons from either sigma bond, pi bond or nonbonding orbitals causes the ionization. All articles are only published after being peer-reviewed and approved by the editorial board. Using back titration to investigate whether the concentration of aspirin from more expensive tablets is higher after 30 minutes than from cheaper ones. Chemistry IA | PDF - Scribd This page has Simulations and resources for high school students. It also shows that the IB assessment criteria bear little relationship to the criteria used to judge the worth of a peer-reviewed report for publication in an internationally recognised academic chemistry journal. Remember! Secondly, some of the projects below are just plain bad for reasons Ive outlined in my post about research questions. Chemistry IA | One World Science Which type of eggshells contain most calcium as measured using precipitation reactions? Some natural pigments can be used as indicators as they change colour at certain pH values, for example the pigment curcumin found in turmeric. Does boiling time effect the protein concentration in milk, measured using bicinchoninic acid assay and colorimetry? About us Investigate chemical equilibria (determine Kc for a reaction). Contact, Twitter Does water temperature affect the caffeine concentration of tea? 33. This work can be on primary or secondary data but well analyzed and critically evaluated. 35. Investgating the effects of voltage and bubble overpotential on the electrolysis of sodium chloride using microscale Hoffman voltammetry, Measuring the Gibbs energy change for different spontaneous electrochemical reactions, Is there a relationship between ionisation energy and Gibbs energy change for redox reaction between different reactive metals, determined using voltametry, Determing the equilibrium constant for the interconversion of cobalt(II) hexahydrate and tetrachlorocobaltate(II), Finding the Gibbs energy change for the esterification reaction between propanoic acid and ethanol using gas chromatography. CareerBuilder TIP. Youve reached that stage in your IB journey where you have to decide what to do for your Chemistry Internal Assessment (IA). Investigate the speed of neutralisation of antacids from different sources. IB Survival LLC. You could investigate how factors such as the length of fermentation affects the pH of the substance. The concerns are many but essentially they are: I have two other concerns. How does reaction temperature affect the yield of the diazo dye Disperse Red 13 in the Sandmeyer reaction? IA Biology HL 7. Chemistry IA Database : r/IBO - reddit Quickly find chemical information from authoritative sources. Websites and Databases for Research - CHS - IB Chemistry IA - LibGuides 44. 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. 26. 2014 DP Chemistry (Last exam Nov 2024) Practical scheme of work & IA. Where to Begin With Your Chemistry IA (With Examples) Reddit and its partners use cookies and similar technologies to provide you with a better experience. 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. My only problem is that I'm having trouble turning my ideasinto reasonable research questions. These ideas have been extracted from our student guide, Chemistry Internal Assessment Standard & Higher Level, written by experienced teacher and author Dave Allen. The data collection effort started in 2014 with a trial system of aluminum, magnesium, and silicon (and their binaries and ternary system data). 4. It does not consider the identity of the atoms or groups attached to the central atom however, and this does have an effect. rawan1408, Lots of people are anaemic and have to take iron tablets as a result. 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. For information on the Recruitment Incentive please reference the Additional Information section of . 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. Please make sure you show your idea to your teacher before you get too involved in the planning stages as there may be a very good reason why you are unable to carry out your idea. If you are looking for a bit of inspiration to kick your Chemistry brain into gear, check out our list of 50 ideas for your IB Chemistry IA below. 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. Database Chemistry IA - Chemistry - IB Survival Computer Engineer (Data Systems) 12 month Register (Public Notice) Your link has been automatically embedded. Applied Chemicals and Materials Division. West Des Moines, IA. A calorimeter can also be used to work out how many calories are in different types of food and drink. Databases. You still need both a theoretical model and data, even if you are not carrying out an experiment. etc. You could then work out the percentage yield of the experiment by comparing your experimental yield to the theoretical yield. My student wanted to do how peroxides can be a good preservation agent for milk. Alloy.ai Named a Leader in Retail Analytics. 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. 19. Please let me know. This was partly to offset worries that it is difficult to ensure complete academic honesty. 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. Clear editor. The marks broke down as: Personal engagement 1/2; Exploration: 2/6; Analysis: 2/6; Evaluation: 0/6 and Communication: 2/4. Investigate factors determining heat of combustion in alcohols. They depend on it to drive drug discovery projects. Within the finish, there are many colours produced depending on the paint company from 100 to 10000. ACS Investigate the level of unsaturation in different oil brands. 42. None of the words variable, dependent, independent and constant appear even once in the assessment criteria. Thank you, Hi, thanks for this nice article! Do note there is a 12 page limit. By The database includes liquid-liquid, solid-liquid, and gas-liquid systems. 7. Designed by Harvard tutors to allow you exceed beyond expectations. 5. Online tuition Chemistry (2013) School entrance experience Looking for databases for chem IA [kinda urgent] I'm currently in a frenzy writing my SL chemistry IA that is technically due today. In line with the IB Learner Profile, "Act with integrity and honesty". 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). 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! 194. What are some IB chemistry IA ideas that are simple? - Quora 2 4 comments Best Add a Comment Rayford_Beez 4 yr. ago Depends on what you need it for. 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. Remember, your IA reports may be a bit different from the past reports due to the type of the data used. Check them out by clicking here! Powered by Invision Community, IB Survival is now part of Lanterna Education. It is mostly about how you treat your topic and how you present it. 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. Determine the percentage of iron in an iron compound by a redox titration. Data collection can easily convey to your teacher/moderator how much care Redox reaction: removal of tarnish from objects 2. Furthermore, you could then predict a reaction mechanism for the reaction and compare this with literature findings. Databases. This is about how well you engage with the project and make it your own. 85% (130) 85% found this document useful (130 votes) 195K views. 2. 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. Many students are unsure how to relate the IB chemistry topics to a real-world situation or problem that they can investigate. 8. James awarded it a mark of 7/24 which I felt fairly reflected its worth according to the IB assessment criteria. $131k/yr Computer Engineer Direct Hire Job at US Department of the Treasury Investigating the bleaching of various food colourings to determine the rate constant. 38. 10 Examples of formatting data tables. The page has two very different functions. An important part of the course which requires 10hrs of work for both HL and SL student. I was thinking of investigating fragrance esters,specifically whether amount of unsaturation affects smell characteristics and volatility of the molecule?