Placeholder Image

Subtitles ListPlay Video

    Video not in English?
    Video not in English?
    Subtitles & vocabulary
    A2US
    #bond#product#double bond#carbon#methyl#draw

    Diels-Alder: endo rule | Organic chemistry | Khan Academy

    0
    Collared owlet posted on 2025/04/18
    Ever wondered about the magic behind the Diels-Alder reaction? This video dives deep into the endo rule and stereochemistry, perfect for organic chemistry students looking to master bicyclic formation! You'll pick up some advanced vocabulary and get a clear mechanism walkthrough that makes complex concepts easy to grasp.

    Video vocabulary

    not found vocabularyNo vocabulary matches your filters
    stuff

    US /stʌf/

    ・

    UK /stʌf/

    • Uncountable Noun
    • Generic description for things, materials, objects
    • Transitive Verb
    • To push material inside something, with force
    B1
    More
    approach

    US /əˈprəʊtʃ/

    ・

    UK /ə'prəʊtʃ/

    • Verb (Transitive/Intransitive)
    • To get close to reaching something or somewhere
    • To request someone to do something specific
    • Noun (Countable/Uncountable)
    • Means of reaching a place, often a road or path
    • Request of someone with a specific goal in mind
    A2TOEIC
    More
    flip

    US /flɪp/

    ・

    UK /flɪp/

    • Verb (Transitive/Intransitive)
    • To turn your body in the air, as in gymnastics
    • To move into a different position quickly
    • Noun
    • Act of turning your body in the air; somersault
    • Movement of something from one position to another
    B2
    More
    develop

    US /dɪˈvɛləp/

    ・

    UK /dɪ'veləp/

    • Verb (Transitive/Intransitive)
    • To explain something in steps and in detail
    • To create or think of something
    A1TOEIC
    More
    Use Energy
    Unlock Vocabulary
    Unlock pronunciation, explanations, and filters
    energy point vocabulary

    Recommended Videos

    Auto Next Video

    Learn this video on the APP!

    The VoiceTube App has more in-depth practice for videos!

    Footer

    Download on the App StoreGet it on Google Play

    About

    • About Us
    • Our Learning Services
    • Join Us
    • FAQ
    • Hot Tags

    Services

    • Pronunciation Challenge
    • Saved
    • Search Vocabulary
    • Blog

    Channels

    Levels

    • A1
    • A2
    • B1
    • B2
    • C1
    • C2

    Privacy˙Terms˙
    ©2026 VoiceTube Corporation. All rights reserved