33. Write expressions for K and Kp for the following reactions:
a) 2 NH3 (g) + CO2(g) = N2CH40 (s) + H20 (g)
b) 2NBr3 (s) = N2 (g) + 3 Br2 (g)
c)2 KCIO3 (s) = 2 KCI (s) + 302 (g)
d) CuO (s) + H2(g) = Cu (1) + H20 (g)

Which of the following describes a compound? (hint: carbon and oxygen bo a. a piece of pure carbon, containing only carbon atoms b. oxygen gas surrounding a solid piece of carbon c. a substance made of two oxygen atoms for each carbon atom carbon and oxygen atoms mixed without being bonded together