Trong điều kiện thường khí H2S bị khí oxi có trong không khí oxi hóa thành chất gì

What provides structure to the human body?

You encounter a solution that is acidic and you decide to test it by adding a small amount of a strong acid. the ph lowers slightly but is approximately unchanged, and still remains acidic. what can you say about the solution? a. it is a buffer solution. b. it is not a buffer solution it is a strong acid solution. d. the solution has been neutralized. e. the solution has excess acid present

This classification of drug typically changes the brain's chemistry and reduces its ability to create its own endorphins.