Biết hằng số tốc độ phân hủy H2O2: k= 7,3.10^-4 s^-1. Mất bao lâu để lượng mẫu [H2O2] bị phân hủy 2/3 so với thời điểm bắt đầu phản ứng. Biết phản ứng phân hủy H2O2 tuân theo động học bậc 1. H2O2 → H2O+ 1/2 O2

Astudent made the lewis dot diagram of a compound shown. what is the error in the lewis dot diagram? a)an o atom should transfer all of its six electrons to mg because the formula is mgo b) both electrons of mg should be transferred to one o adam because the formula is mgo c) the electrons should be transferred from each o add him to capital mg because mg has fewer electrons d) the number of dots around mg should be four because it has to transfer two electrons to each o

Turbo the snail moves across the ground at a pace of 12 feet per day. if the garden is 48 feet away, how many days will it take for the snail to get there?

Which of the following words describe the reality that the universe looks the same from various perspective