Which best describes a swimming pool?

1.) it is a solute
2.) it is a solvent
3.) it is a solution
4.) it is a reactant
5.) it is a product

Which statement best describes the function of enzymes?

What are the similarities between compounds and mixtures?

How many lone pairs of electrons are on the central atom of no3- and what is the molecular shape? one, trigonal planar zero, trigonal pyramidal zero, trigonal planar one, tetrahedral one, trigonal pyramidal