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  1. P

    Can yoh help me with this chemistry problem.

    The sodium sulphate affects sulphate concentration, but the main redox reactions in your setup do NOT involve any sulfate (only spectator ions) and hence they won't affect your cell potential for the iron(II) and iron(III) system. On the right side of the diagram, you'd realise that silver...
  2. P

    I need help for a Chemistry HW which I do not understand

    This is a typical problem from Jim Clark's excellent book on calculations. Check out how I have covered similar Kc calculations in my topical playlist on chemical equilibria. Do link to the idea of solution chemistry of backward titration covered in mole calculations and stoichiometry playlist...
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    Chemistry: Post your doubts here!

    Check out my full Paper 1 tutorials, and enjoy my take on thinking out loud through the different papers. It is more important to be able to work things out than simply doing without understanding why and the how. Check the other topical MCQ playlists too as well as other A level chemistry...
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    Full tutorials - A Level chemistry Paper 5 planning, design, analysis and evaluation

    Hi all, check out the updated CIE A Level Chemistry Paper 5 tutorials on my channel. I think out loud, and that has helped many former students. I am sharing all my resources with all learners globally as a result of the pandemic. Also, check out the various topical MCQ and structured questions...
  5. P

    Can anyone explain this question. This question is from winter 17, variant-12, question-05.

    as pV = nRT for ideal gas, pV/RT = n and n should be constant as your amount of substance does not ever change when any conditions change, you are not reacting it! Hence it should just be constant, so C is the answer. Learn how to think through MCQ tutorials, as I think out loud and it helps...
  6. P

    Sharing my CIE A-level Chemistry notes [AS chapters completed]

    My A Level chemistry topical playlists cover every single A Level topics, and should be helpful for anyone who find grasping and explaining concepts their major problems. Learn to think from a chemistry subject expert (MChem Oxford) and an experienced teacher (MTeach UBD), and a former CIE...
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    AS Level Chemistry help needed urgent

    Hello, I hope you find my think-aloud video tutorials sorted out by A Level topics helpful. Browse through the channel for MCQ, practical experiment tutorials, planning/design tutorials as well, but I guess if you are struggling, perhaps start with the topical stuff first. If you find them...
  8. P

    A-Level Chemistry(Need Help)

    Direction matters a lot as per your definitions, for instance formation means from the elements, so your arrows point from the elements to the substance you form. For combustion, you combust the substance to their combusting products, so that definition means your arrow for the enthalpy change...
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    Cambridge 5070 O Level chemistry Paper 1 full MCQ tutorials - learn to think from a subject expert

    Hi all, the CIE O Level 5070 is coming up on Monday. Do not be fooled by thinking it is an easy paper unless you can score like 38 and above near 40 for the paper. This can be the deal breaker between what you want and you really get. Learn how to think from a subject expert, as I am an Oxford...
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    CAIE (CIE) A Level chemistry Paper 4 - topical revision and full paper tutorials - learn how to think

    CAIE (or CIE) A Level chemistry paper 4 is happening next week. While most students often feel anxious about this "difficult" paper, there is nothing to worry about. Results will come if you learn your contents well and can apply in unfamiliar settings. Check out my YouTube channel...
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    Question in paper 1- 9701

    i am not sure if i have covered the exact paper but i did a think aloud with lots of paper 1 mcq and other component/variants. check out the p1 playlist on my channel, subscribe and share with friends and class chats if useful. Navigate to other useful playlists by topics too...
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    Don't fall for that "easy" chemistry Paper 1 misconception

    For O Level exams, check out how I outline pitfalls, not-to-dos and how-tos for these important O Level components on my channel. Below are the shortened YouTube links. Topical playlists are also available if you just want to work on your targeted weak areas. I graduated from Oxford University...
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    Experienced CIE A Level chemistry teacher offering all resources for free

    For upcoming A Level exams, the theory papers 2 and 4 are coming up. Check out how I outline pitfalls, not-to-dos and how-tos for these important A Level components on my channel. Below are the shortened YouTube links. Topical playlists are also available if you just want to work on your...
  14. P

    CAIE Oct/Nov 2020 session discussion

    For upcoming A Level exams, the theory papers 2 and 4 are coming up. Check out how I outline pitfalls, not-to-dos and how-tos for these important A Level components on my channel. Below are the shortened YouTube links. Topical playlists are also available if you just want to work on your...
  15. P

    CIE A level Chemistry Topical Past papers

    Check full component paper tutorials in the other playlists too. Be kind to each other. Subscribe and share with friends and class chats to help more in need.
  16. P

    9701 Chemistry notes

    A Level chemistry tutorials by chapters - Subscribe and share Why settle for less when an A*/A is up for grabs? What: topical playlist for A Level/IB/Pre-U chemistry Who: AS/A/IB Level students (16-18 pre-university, junior college level) Why: My subject expertise, my teaching experience, my...
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    Ace your GCSE/O Level chemistry with my free topical tutorials - subscribe and share

    Why settle for less when an A* is up for grabs? What: topical playlist for GCSE/O Level chemistry Who: Year 9, 10 or 11, sixth form students struggling with basics Why: My subject expertise, my teaching experience, my commitment to excellence, your desire to learn To do: Subscribe and share...
  18. P

    CAIE Oct/Nov 2020 session discussion

    October/November GCSE/O Level chemistry playlist by chapters - Subscribe and share with group chat and friends if you think my channel is useful. Why settle for less when an A* is up for grabs? What: topical playlist for GCSE/O Level chemistry Who: Year 9, 10 or 11, sixth form students...
  19. P

    Chemistry: Post your doubts here!

    Check out my topical chemistry A Level tutorials. Subscribe to the channel for updates and share widely with group chat and friends please, if you find them useful. Good luck. Why settle for less when an A*/A is up for grabs? What: topical playlist for A Level/IB/Pre-U chemistry Who: AS/A/IB...
  20. P

    CIE A level Chemistry Topical Past papers

    Here you go, the video tutorials, by chapter, playlist. Subscribe and share widely with friends and group chat please. Cheers. Why settle for less when an A*/A is up for grabs? What: topical playlist for A Level/IB/Pre-U chemistry Who: AS/A/IB Level students (16-18 pre-university, junior...
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