Janet runs 6.4 miles in one hour. Is it speed or velocity or acceleration

Calculate the expected ph values of the buffer systems from the experiments (a,b,c,d), using the henderson- hasselbalch equation, ph-pka+log[a-]/[ha]. use for pka values carbonic acid= 6.37, and acetic acid= 4.75.

What happens to the atomic radius when an elctron is lost

Which of these conditions most likely produces an unstable isotope?