someone pls help me with my chemistry test plsss my teacher changes the questions so I can't search them up. its 21 questions so I have to upload multiple posts but look at my account to get the rest pls.

What reaction is taking place? 02 + c3h8 = h20 + co2

Determine the empirical formula for succinic acid that is composed of 40.60% carbon, 5.18% hydrogen, and 54.22% oxygen.

What are the first two quantum numbers for the electrons located in subshell 4d? what are the first three quantum numbers for the electrons located in subshell 2s? how many electrons can be held in a sublevel l = 3? how many electrons can be held in the energy level n = 4? how many electrons in an atom can share the quantum numbers n = 4 and l = 3?