A chemical formula (such as H20) can be considered a type of model.
O True
O False

fe 55.85 g/mol and h2o 18.02 g/mol.

> 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.

the maximum mass of nh3 is nh3 in grams