مدرس الكيمياء ايسر الهلسه

16/06/2023

13/06/2023

09/04/2022

ماهو حجم محلول حمض الكبريتيك تركيزه 0.50M يجب أن يضاف إلى 65ml من محلول حمض الكبريتيك تركيزه 0.20M ليعطي محلولا نهائيا تركيزه 0.35M من محلول حمض الكبريتيك

21/11/2021

Homework is deceptive in this subject. Pieces of questions that lead to far more applications do you no favors when asked to solve real problems. So i answered it https://www.quora.com/Which-is-the-molecular-formula-of-an-alkane-A-C10H18-B-C9H18-C-C8H18-D-C10H20/answer/David-Min-40

12/11/2021

Substitution and elimination of alkyl halides and pseudo-halides...one in a series. https://www.quora.com/Does-a-good-leaving-group-favor-SN1-or-SN2/answer/David-Min-40

06/11/2021

أي الأحماض أكثر خطورة؟

Kevin Plumridge's answer: In my mind the nastiest is hydrofluoric acid. HF penetrates tissue faster than typical acids, system toxicity can occur by dermal, ocular, inhalation and oral routes. Once inside the body fluoride ions migrate through the body destroying tissue until lodging in the bone...

05/11/2021

مخطط الكيمياء الكهربائية

04/11/2021

https://twitter.com/RomanValiulin/status/1404465494627741698?t=Cd8tQEZTuuu31JeuDSbEdA&s=19

“Mondays are tough but Organic Chemistry can be even more difficult 😂👍🤷‍♂️. Happy Monday! ➡️ https://t.co/df1HD7T4kw made with 💪”

05/10/2021

https://drive.google.com/file/d/1f94rwfZiIOhw6Wa58cEpC9VeMuEQ1Kbj/view?usp=sharing