Pure copper may be produced by the reaction of copper(t) sulfide with oxygen gas as follows: Cu2S(s) + O2(g) ---> 2Cu(s) + SO2(8)
If the reaction of 0.660 kg of copper(t) sulfide with excess oxygen produces 0.150 kg of copper metal, what is the percent yield?

What happens when an acid dissolves?

Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.

What is one real world example of a colligative property?