Define reactant.
Define product.
Define precipitate.

Answers below!

Explanation:

Reactant- a substance that takes part in and undergoes change during a reaction.

Product- a substance produced during a natural, chemical, or manufacturing process.

Precipitate- 1. to separate from a solution as a precipitate. 2. to fall to the earth's surface as a condensed form of water; to rain, snow, hail, drizzle, etc.

Precipitate has different meanings so I didn't really know about which one, but tell me if I'm wrong :)

> 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.