How To Smash Your Chemistry IA - The Pandemic Edition

[@JamesMidgleyChem]

"I strongly recommend you also look at [ the IA ] videos prepared by James Midgley who is the Head of Year 12 at the Australian International School in Singapore and an IA moderator. " Geoff Neuss INThinkikng

[@anshumanbhati6861]

Where can I find his videos?

[@JamesMidgleyChem]

@@anshumanbhati6861 u r watching it !

[@anshumanbhati6861]

@@JamesMidgleyChem oh I see I see thank you :)

[@orangmonke2283]

Not only am I gonna smash that IA, but I've also SMASHED that like button

[@JamesMidgleyChem]

Thanks !

[@malaiekakhan8774]

I used all of your tips and it helped so much!! I was predicted a 7 on my iA and 4 in general (after allocations) so that should tell how much it helped ☺️☺️

[@JamesMidgleyChem]

Fantastic! Glad it helped !

[@jxwls4130]

Nice video sir! someone in your class sent me btw ;) Thank you for the help on my homework!

[@SuperStarx3]

same she sent me too

[@JamesMidgleyChem]

Welcome!

[@jiyamakwana3929]

me with my due date on friday... with no data...riiiippp

[@JamesMidgleyChem]

See webMO video - more data than you need 👍

[@maheshwaritanwar4635]

Thank you so much for this. Great help!

[@JamesMidgleyChem]

Thanks for your comment and very glad you found it useful :)

[@maheshwaritanwar4635]

@@JamesMidgleyChem Hello again sir. Thank you for replying, I have a few doubts about my secondary data IA. Could I please email you about this?

[@dxrkmxtter2935]

Thank you father. 私はあなたのグランドマスターから多くを学びました.

[@inaudibleplays4726]

Hi sir! I am a current IBDP student taking Chemistry HL. I would just like to ask if students are expected to have qualitative data for a database IA. If so, how will we be able to gather these (as most databases only provide quantitative data)? Thanks in advance!

[@JamesMidgleyChem]

If there is no qualitative data to be found I would perhaps include a sentence to state ' there is no qualitative data associated with this database IA' - the mark is for consideration of qualitative data so imho that should cover that base. Hope this makes sense. Mr M

[@vm2269]

Sir, what do u think about choosing a most common rq online ; like the relationship between temperature and vitamen C content in a broccoli through redox titration” , would it be a bad idea to choose topics online? I am quite not sure about how to change the variables on topic online so that it won’t deduct points on personal engagement

[@JamesMidgleyChem]

Its not what you do its the way that you do it :) see my how to get 24 video for guidance

[@alisgevorgyan3891]

Hello Mr James I really need your advice, I would like to know whether an IA about the effect of pH or salinity (I haven't decided yet) on the concentration of dissolved oxygen (measured using the Winker method) is a good topic and could score high. I will have a focused RQ, and I am extremely passionate about this topic, only I'm worried that it's just too simple for HL chemistry student 😞 I could also do an IA on "The effect of phosphorus or nitrogen on the DO" Do you think these labs are appropriate and could potentially score high marks? If yes which independence variable would be best to investigate?

[@JamesMidgleyChem]

There is no distinction between SL and HL in IA. I think your first idea is sound.,and if done well can score well. Im afraid i am not allowed to go into detailed specifics as the IA is between student and their teacher. Good luck ! Mr M

[@alisgevorgyan3891]

@@JamesMidgleyChem Thank you!

[@KiranKumar-jf9ih]

Hi James, Could you please share the doc which is at 0:31 seconds. A list of IAs on secondary data is shown

[@JamesMidgleyChem]

It’s under the video - just hit show more and it’s one of the bitly links

[@KiranKumar-jf9ih]

@@JamesMidgleyChem I see all the documents except the one I am talking. Kindly check. The doc which has ideas on IAs is shown from 0:31 to 0:4.

[@JamesMidgleyChem]

its now at the bottom of the how to get 24/24 document with the source also - hope this helps - James

[@KiranKumar-jf9ih]

@@JamesMidgleyChem Got it. Thank you

[@davidposton7106]

Hi James, can you link me to the document called "Science Simulations and Databases" at 2:35? I can't seem to find it. Thanks!

[@JamesMidgleyChem]

Hi - click the first bitly under the video - they are there at end of doc

[@operationrpt6314]

Hi. Mr. M, due to unforeseen circumstances that happened in my country, instead of completing my lab based IA I have to do a data based one instead, at the moment I am thinking of exploring how positive and negative regions, dipole moments, chain lengths on alcohols (considering its branching as well) will affect its solubility in water... I'm not sure if that is too simple for a database IA. Please advise. Thank you!!

[@JamesMidgleyChem]

The best advice is to keep to one IV and extend your DV to hit the 10hrs requirements- it is best to have data processing in some way as raw data only will not score well

[@KiranKumar-jf9ih]

Hi James, Could you please tell me what do you mean by 5X3 model?

[@JamesMidgleyChem]

5 IV measurement points in triplicate is typical primary data IA

[@slimshady1394]

Dp you think just calculating an energy content of pasta by measuring the enthalpy of combustion could possibly make a good IA? It's hardto identify depedent and idepensent variables too... and it seems simplistic.. Have any suggestions?

[@JamesMidgleyChem]

This is not suitable as an IA - see my video on ideas for some inspiration- good luck Mr M

[@Anonymous-vn8ik]

Hi! I'm an IBDP student currently trying to determine if my procedures for answering my RQ would be rigorous enough for IB. I'm thinking of examining possible bonds and intermolecular forces of peptide chains to determine possible tertiary structures of three small proteins and comparing it to a software generated structure. Would this be too qualitative, and if so is there any alternatives paths you can suggest I explore?

[@JamesMidgleyChem]

it is straying into biology somewhat - suggest keeping to Inter and Intra MF - it is essential to make it quantitative. Consider van der waals radius, ionic strength, polarity electronegativity as potential research and good luck

[@karanvirlamba382]

Hi, @ 17:17 you stated that one should compare with a literature value. What exactly is a literature value and how do I find one?

[@JamesMidgleyChem]

depends what your IA RQ is. If you can find a secondary data source or calculate your answer by a different method, e.g. bond enthalpy instead of enthalpy of combustion then you should do so

[@_Redis_]

Hi sir! I'm a IBDP student currently struggling to form a RQ. Your video was definitely helpful, (so were the documents) but I need some sort of starting point and I was hoping you'd be able to guide me.

[@JamesMidgleyChem]

Thanks for the comment 😀 rates energetics are a rich source depends what you are interested in and if you have lab access or on HBL ?

[@_Redis_]

@@JamesMidgleyChem i am looking into colloids as of now. i can manage going to the school in late december probably, so i should be able to go to my lab.

[@JamesMidgleyChem]

alie ʕ•ᴥ•ʔ pls email at contact address I can send a list of ideas

[@_Redis_]

@@JamesMidgleyChem okay sir could i have your email then?

[@JamesMidgleyChem]

@@_Redis_ if you look in 'contact' details in ABOUT its there :)

[@godofplatinum124]

Hi Sir, I've got access to a lab as I'm in SG as well, in your opinion do Biochem IAs do better/worse than core syllabus IAs? Just asking because I'm afraid if I go down the Biochem route I will not be showing all the conventions of the IA well/link to chemical theory well

[@JamesMidgleyChem]

It’s not what you do it’s the way that you do it - maybe share your RQ pls ?

[@godofplatinum124]

@@JamesMidgleyChem No RQ yet formed per se, but I'd like to investigate the quantity of paracetamol present in panadol and other brands to make a comparison. Done by dissolving and diluting with sulfuric acid + water. Boiling and diluting again. Adding HCL and ferroin solution. Titrated against ammonium cerrium (iv) sulfate. Repeated without tablet. Difference in titration figures is equivalent to a certain amount of paracetamol

[@godofplatinum124]

Need to see if I've got the resources in school first...Lol

[@JamesMidgleyChem]

@@godofplatinum124 sorry but every year the examiners report states to avoid brand comparison as this is categoric data. Also a school lab can never compete with the standards in the pharmaceutical industry ( i used to work in pharma ). All this then becomes is a measure of the limititations of a school lab. My next live stream will have lots of suggestions for RQ. Mr M

[@godofplatinum124]

@@JamesMidgleyChem I see, thanks for your quick reply! I'm applying to pharmacology btw, so wanted to do something somewhat related!

[@paulofernando7898]

Can you give me an example research question for and acid-base titration, like what should I research? Different pHs given differen concentrations? or different temperatures?

[@JamesMidgleyChem]

I wouldnt recommend either - its textbook and easy to calculate. Teachers also cannot give you an RQ. Please see my inspirations video for ideas

[@KiranKumar-jf9ih]

Hi James, Could you please elaborate on this topic, “How much space occupied by a lone pair depending the structure of the molecule(database)”? How to quantify the space? Please post if you have any resources on this?

[@JamesMidgleyChem]

Kiran Kumar send me an email at the contact I’ll send you an ia on this 😀

[@KiranKumar-jf9ih]

@@JamesMidgleyChem Could you please send to [e-mail]

[@jiminieee7682]

@@JamesMidgleyChem Hi sir, could you send me this IA to [e-mail] as well? Much appreciated!

[@AliAhmad-qy2sf]

Hello sir, I am a huge fan of your videos because they are to the point and concise. I do have one Question regarding databased IAs and uncertainties, to calculate uncertainty of a data value, you see how its varying across the sources, lets say my bond length for H-O is 97,96,97,96 would my uncertainty be ±1 for 96 or ±.5 for 96.5? Thank you

[@JamesMidgleyChem]

firstly well done on getting 4 sources ! just use half range method outlined on my uncertainties video. Mr M

[@AliAhmad-qy2sf]

@@JamesMidgleyChem Thank you so much sir, I wish you the best of luck and a happy life. =)

[@HassanT1357]

I have done a titration, and I am extremely lost on how to propagate uncertainties for my report. Is there any sources that might be able to help me on what process I need to follow?

[@JamesMidgleyChem]

www.slideshare.net/wkkok1957/ib-chemistry-ib-biology-on-uncertainty-calculation-error-analysis-and-standard-deviation-on-rate-of-reaction

[@aditya5162]

HI mr m4 chem. My IA topic is how does the atomic arrangement of an alloy affect boiling point. My teacher had not recommended that we use only one iv and dv. Is my question reasonable?

[@aditya5162]

hmm now that ive researched a bit more I think that to what extent does hardness of an alloy correlate with it's melting point, looking at different atomic arrangements (subsitutional interstitial) is better

[@JamesMidgleyChem]

Hi - I assume you are using bcc / fcc packing models ? This is categoric data so is unlikely to score well. See my ideas video fro guidance. Mr M

[@aditya5162]

@@JamesMidgleyChem no, i was referring to substitutional alloys and interstitial alloys, and i was thinking of finding the relation of melting point and hardness for both of them, then explaining why they are different. Is this a bad idea? Thank you for your response.

[@JamesMidgleyChem]

@@aditya5162 seems more like an EE, but if you can make both DV ad IV quantitative then go for it :)

[@JamesMidgleyChem]

@@aditya5162 got potential - like it !

[@nadiagoussev5977]

Hello! I wanted to ask your opinion on doing an IA finding the total calcium content in different milks such as non dairy and 2% by using complexometric titration. Thank you in advanced.

[@JamesMidgleyChem]

Hi - thx for your comment. I would not recomend this as sounds like categoric data. Find something that gives continuous data. Stay safe mr M

[@karanvirlamba382]

Say i acquire data on crystal lattice structures and would like to analyze the relationships between them. There is no clear IV and DV right?

[@JamesMidgleyChem]

You are looking at the problem backwards. The golden rule is look at the database and see what RQ is suggested to you.

[@nicolekwok5907]

Hi sir. I am in IBDP and currently taking sl chemistry. I was thinking about doing an ia on the relationship between bond enthalpy and bond length of different combinations of elements. I was wondering if you could give me a starting point. As well, what exactly does ‘different combinations of elements’ mean? Thanks!

[@JamesMidgleyChem]

This is easily found - just google libre texts and work from there. Consider using webMO and expand your DV as it is a bit too simple as it is

[@nicolekwok5907]

@@JamesMidgleyChem thank you! I am still not sure what it means by “different combinations of elements.” Does this mean that I investigate the C-C bond and then like the H-H bond and like different bonds?

[@JamesMidgleyChem]

@@nicolekwok5907 you could get a straight chain alkane or alkene and then substitue halogens along the chain to look at the effect on angle /strength / nmr shift,etc

[@nicolekwok5907]

@@JamesMidgleyChem thank you! by enthalpy, it is referring to bond enthalpy (and not enthalpy of change or average bond enthalpy) right?

[@JamesMidgleyChem]

@@nicolekwok5907 yes !

[@marcusb.7412]

Sir, what is your opinion on this IA RQ? Find the activation energy of reaction sodium thiosulfate and hydrochloric acid by measuring gas produced at fixed time intervals. I cant find a viable real life application tho and my teacher wont help me

[@JamesMidgleyChem]

not keen on this as outcome is easily googled and outcome is one piece of discrete data rather than a trend

[@sribatschamaharana9237]

Hello Sir! Im in DP2, and I'm really struggling with making sense of my topic and forming a research question. I'm looking at autocatalytic reactions and clock reactions, But I really don't know how to approach the topic, and what to investigate. I've only found research papers on this topic that seem hard to make sense of. Could I please email you about this? i'm really struggling with deadlines so I hope you'll reply. Thank you!

[@JamesMidgleyChem]

Sribatscha, You are taking a great approach by using multiple sources. I have scanned the docs but please bear in mind I am currently very busy. I don't clearly see what your aim is so I have included some ideas below. It does look like an EE as it stands but certainly has potential to make a great IA. You can convert absorbance to conc using beer lambert law - there seems to be lots of data so hope this is possible. I do wonder what the RQ is and would make the following suggestions as a way to guide you through to a great IA. 1. How is published data used to elucidate reaction mechanism? 2. What is agreement between a simulation on iodine clock and published data ? 3. What is the role of modelling in understanding auto catalysis ? 4. How is rate law derived from experimental data ? 5. What is link between lab based and natural oscillating reactions ?

[@elissasado9050]

Could you please tell me if my iA idea is good or bad ? Because my teacher’s answer was :“I don’t know “ . The topic is “the effect of pH on the foam stability of instant coffee”. Please I’m so confused , and thank you for this video it was so helpful 💕

[@JamesMidgleyChem]

Hi if I understood this does not appear to have any chemistry in the DV - see my video on making a good research question

[@elissasado9050]

@@JamesMidgleyChem thank you so much

[@shiven5407]

Hello Sir! I am a IBDP year 2 student who has taken Chemistry HL. I was wondering if my IA topic sounded adequate to you. How does the molar mass of the central halogen atom affect the preference for interhalogens to have a t-shaped geometry? Thanks for reading this.

[@JamesMidgleyChem]

Hi - this would not take long to find data so does not meet 10 hour threshold. This has also been available on the TSM - below for 5 years and is well explored. ibpublishing.ibo.org/server2/rest/app/tsm.xql?doc=d_4_chemi_tsm_1408_1_e&part=8&chapter=3

[@shiven5407]

@@JamesMidgleyChem Thanks a lot for your reply sir. I will try to come up with a better topic.

[@karanvirlamba382]

Anyone have any topic suggestions. My topic selection due date is today and despite all the adhesive research I have done I am still at a standstill.. Anything helps!!

[@karanvirlamba382]

Hello sir, by averaging data as data processing, do you mean averaging the value from different databases for the same thing

[@JamesMidgleyChem]

if possible yes

[@uzairkhan3693]

Hi. I am a new IB chem teacher. Struggling a bit with the literature used for IB DP as I am operating from a country where IB is still growing. Kindly, if you could help me in joining some of the FB groups, it will really help as I can't seem to get through them. Would really appreciate it Sir, really need the help. Thanks

[@JamesMidgleyChem]

If you join IB Chemistry teacher group ensure you agree to group rules and have school email address then should be no problem

[@biancasmithie3040]

How should a RQ look like if not X’s effect on Y?

[@JamesMidgleyChem]

Perhaps begin with; 'to that extent does x effect y' or 'how effective a predictor is bond angle of bond enthalpy' or what is the maximum freezing point reduction for a salt solvent system...