so if conc of A doubles we can right that as 2A where A is the original therefore rate=k(2A)^2 x B exapanding that (2A)^2 we get 4A^2 because B stays the same we can then look at the new equation like this by rate= 4 k X A^2 X B therefore rate is 4 times the original. hopefully that makes sense
in the year of 2024 and this video was uploaded 10 years ago and im still watching it. tryna cram for my a levels in 2 weeks going thru this playlist bro is actually saving me 🤣
i have my mocks soon and ur videos are helping me get through all of what i need to revise, i cant believe this video was uploaded 9 yrs ago and the students in the comments from 9 years ago have experienced the same thing im going through, anyways thank you so much for your detailed explanations