The effectiveness of nitrogen fertilizers depends on both their ability to deliver nitrogen to plants and the amount of nitrogen they can deliver. Four common nitrogen-containing fertilizers are ammonia, ammonium nitrate, ammonium sulfate, and urea [(NH2) 2CO)]. Rank these fertilizers in terms of the mass percentage nitrogen they contain.

19. at high pressures, how does the volume of a real gas compare with the volume of an ideal gas under the same conditions, and why? eman- it is much less because real gas partides are not moving. there is no difference because the gas laws are always obeyed. it is much less because at high pressures the temperature drops. it is much greater because real gas partides take up space.

Describe in detail the melting point behavior of the 80: 20 benzoic acid-mandelic acid mixture

The name of the ion, s2-, is: sulfurous ion sulfide ion sulfur ion sulfate ion