Hey There:
First order half life equation :
T 1/2 = ln ( 2 ) /K
T 1/2 = 0.693 / 3.40
T 1/2 = 0.204 s
Answer B
I believe the answer is 47.25g
let me know if you need the workings i'll try and put it up
The pH of a substance can only be determined when it is
a) dried in a powder
b) frozen
c) dissolved in water
d) heated
It’s frozen
B
I think it’s hydrothermal vents, rifts and subduction trench
it has 5 electrons in it's outermost shell.
s 2e- , p 5e-