Hi there, I am lecturer in chemistry with PhD qualification and 14 years teaching and research experience at college and university level. I have many international publications and I have good command over all types of chemistry syllabus including A level, O level and other college and university levels. I have pentab, and can fulfil all the requirements for video solutions. I have experience in this area and have prepared many videos solutions to problems in chemistry of famous chemistry books like physical chemistry by John Robert C Fay, analytical chemistry by Gary D Christian and many others. I can do your project according to your requirements and can provide videos of my previous work so please come into inbox to discuss more.