Under appropriate conditions, nitrogen and hydrogen undergo a combination reaction to yield ammonia: n2(g)+3h2(> 2nh3(g).

a sample of n2 requires 3.0 g of h2 for complete reaction.

a)0.76

b)1.2

c)14.0

d)17.2

The answer to your question is:        14 g of N₂

Explanation:

Data

MW N2 = 14

MW H2 = 1

MW NH3 = 17

                                  N₂(g)  +   3H₂(g)    --->   2NH₃(g).

                                 28g           6g                  34g

                             28 g of N₂  6 g of H₂

                               x                3 g of H₂

                               x = (3 x 28) / 6

                               x = 14 g of N₂

the correct option is c.

isotopes refers to different forms of the same element with the same atomic number but different mass number as a result of difference in their neutron numbers. isotopes have different relative atomic mass but share the same chemical properties.

i believe the answer is true.