Which molecular formula corresponds to this model of a chemical compound? (black = carbon; red = oxygen; white =
hydrogen)
C2(OH)4
C2H2O4
C2H4O2
C4H2O2

Which of these is a physical property

Nitrogen dioxide decomposes according to the reaction 2 no2(g) ⇌ 2 no(g) + o2(g) where kp = 4.48 × 10−13 at a certain temperature. if 0.70 atm of no2 is added to a container and allowed to come to equilibrium, what are the equilibrium partial pressures of no(g) and o2(g)

#20 which type of bond is formed when bases pair in dna? ionic bond covalent bond coordinate bond hydrogen bond