Ammonia is produced by the reaction of nitrogen and hydrogen according to the equation N2(g) + 3H2(g) → 2NH3(g)
Calculate the mass of ammonia produced when 27.0 g of nitrogen react with 12.0 g of hydrogen.
g NH3
Which is the excess reactant and how much of it will be left over when the reaction is complete?

You encounter a solution that is acidic and you decide to test it by adding a small amount of a strong acid. the ph lowers slightly but is approximately unchanged, and still remains acidic. what can you say about the solution? a. it is a buffer solution. b. it is not a buffer solution it is a strong acid solution. d. the solution has been neutralized. e. the solution has excess acid present

Melissa is interested in her family tree and how her family has changed over its many generations. melissa probably more closely resembles

How do you lengthen a pattern piece? (family and consumer science, sewing)