Engineers must design a process for producing ammonia in amounts large enough to ensure a reasonable profit.

Ais a machine that makes work easier when a single force is applied. a simple machine b compound machine c endangered machine d complex machine

While carrying a heavy box up the stairs,you set the box on a step and rest. then you pick up the box and carry it to the top of the stairs. describe these actions in terms of balanced and unbalanced forces acting on the box.

During cooling, the kinetic energy of the molecules falls. why does this happen? a.the motion of the molecules increases. b. the motion of the molecules slows down. c.the van der waals forces between molecules decrease d. the forces of attraction between the molecules are overcome.