Guys i need with 12 and 13 this packet is due tommorow and i have more 7 pages to do

12. F - Most of these elements are metals.

13. C - Ability to rust

Answerit curves up and levels out.explanationwe assume that the container contains absolutely no ammonia to begin with as it states that "nitrogen gas and hydrogen gas" react to "produce ammonia."at dynamic equilibrium, the product and reactant concentrations are equal.this means that, starting from a concentration of zero, [nh₃] must curve "up" from zero and then level out to a constant concentration.