Solution a has a ph of 9, while solution b has a ph of 8. how much more basic is solution a than
solution b? (dok 1)
otwo times
otwenty times
o
ten times
o
hundred times

The volume of helium in a blimp is 6.28 x 10^9 millimeters. the density of helium in the blimp is .1786 kilogram/meter^3. find the mass of the helium in the blimp.

Which of these expressions are correct variations of the combined gas law? p1v1t2 = p2v2t1 both

In the following table, all the columns for the element calcium are filled out correctly. element electron structure of atom electron structure of ion net ionic charge calcium 1s22s22p63s23p64s2 1s32s22p63s23p64s1 +1 true false