29) The oxidation numbers of all the atoms in H2SO4 must add up to
A)
+9
B)
+5
C)
0
D)
+16

Naoki's bicycle has a mass of 10 kg. if naoki sits on her bicycle and starts pedaling with a force of 168 n, causing an acceleration of 2.8 m/s2, what is naoki's mass?

What is the number of moles of chemical units represented by 9.03x10^24? and how do i show work? (dumb it down )

When would a bouncy ball have the most potential energy