The distance from the sun to earth would be
a. any number of light years
b. more than one light year
c. less than one light year
d. exactly one light year

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.

Which substance has non polar covalent bonds

What is the chemical formula for dihydrogen monoxide