When 2.50 grams of copper reacts with oxygen?

The arrangement of particles is most ordered in a sample of

Why does ammonia, nh3, behave as a base when it reacts with an acid? z

An engineer decides to use a slightly weaker material rather than a stronger material, since she knows that the stronger material can break suddenly. this is an example of what? a choosing a material that will show warning before it fails b using composite materials that combine strength c using a material for multiple applications d using design techniques that increase efficiency and reduce cost