In the manufacture of ammonia, nitrogen, and hydrogen gases react over an iron/potassium oxide catalyst to give ammonia. hydrogen is the expensive reagent as nitrogen can be obtained from the air. if ammonia is obtained in 90% yield based on hydrogen, how many tons of hydrogen are necessary to produce 100 mg of ammonia? ?

po-215 i got it right on the quiz

brian made this table to organize his notes on changes of state. depostion is a change of state that has the wrong energy change listed. it is utilized to collect data as a portion of the development means and in restricted conditions which may be applied at test.

a deposition in the authority of the united states or research for development in the authority of canada includes the catching of affirmed. the out-of-court verbal assertion of a spectator that may be lessened to a printed record for succeeding application for discovery purposes.