A student is conducting an experiment at STP where a solid metal is reacting with an acid solution to produce a hydrogen gas as seen above. This gas is then collected in a eudiometer, and its volume is measured in milliliters. Using the diagram of the experiment above, determine how many moles of hydrogen gas have been collected in the

the equation that correctly represent the reaction for formation of ammonia is

n2+ 3h2 → 2nh3 (answer d)

1 mole of nitrogen gas (n2) react with 3 moles of hydrogen gas (h2) to form 2 moles of ammonia ( nh3). this is in a process known as haber process were iron is used as a catalyst and reaction take place that a higher temperature and pressure. the process is exothermic hence energy is released.

b) mutualism

hope this : )

i believe you are right for all except the 3rd ( look at sqdancefan his answer is much better)