The two most abundant gases in the atmosphere are select one: a. water vapor and carbon dioxide. b. nitrogen and water vapor. c. nitrogen and oxygen. d. oxygen and carbon dioxide. previous page

explanation:

i think option no d is the correct answer

> b takes place in the gas phase in an isothermal tubular reactor. the feed is one mole of a per one mole of c, an inert. the entering temperature and pressure are 427°c and 10 atm, respectively. the gas constant r = 0.08206 atm · l/mol · k.