Chemical engineers who specialize in negotiating for large purchases and instructing customers in use of the products are:
a. corporate managers
b. legal services
c. marketing personnel
d. product developers

How will the emission of an alpha particle affect the atomic number of an atom

Liquid ammonia is produced at high temperatures and under great pressure in a tank by passing a mixture of nitrogen gas and hydrogen gas over an iron catalyst. the reaction is represented by the following equation. n2(g) + 3h2(g) → 2nh3(g) changing all but one experimental condition will affect the amount of ammonia produced. that condition is a) increasing the concentration of both reactants b) changing the temperature within the tank c) decreasing the pressure within the tank. d) increasing only the amount of nitrogen present.

Can anyone answer these questions? ? i need it before 1: 00pm today