What is the pressure of 4 moles of helium in a 50 L tank at 308 K? Use PV = nRT.
O A. 0.51 atm
O B. 24.64 atm
O C. 2.02 atm
OD. 0.13 atm

the reaction mixture contains some ammonia, plus a lot of unreacted nitrogen and hydrogen. the mixture is cooled and compressed, causing the ammonia gas to condense into a liquid. the liquefied ammonia is separated and removed. the unreacted nitrogen and hydrogen are then recycled back into the reactor .

- lead + phosphoric acid = hydrogen + lead(ii) phosphate

(b) which contains higher levels of vitamin b, oranges or spinach?

explanation:

you can eliminate a, c, and d because they are questions based on opinions.