Earth has approximately 600,000,000 meters of coastline. if we assume this entire length of coastline has sandy beaches 60 meters wide and 20 meters deep, how many cubic meters of sand are on the beaches? express your answer to the correct number of significant figures.

How many moles are equivalent to 55.5g of nano3

If a reactant was removed, did the new equilibrium system shift to make more reactants or more products?

Why is the bond angle in a water molecule less than the bond angle of methane? a. the central oxygen atom in water has two lone pairs of electrons, whereas the central carbon atom in methane has no lone pairs. b. the central hydrogen atom in water has one lone pair of electrons, whereas the central carbon atom in methane has two lone pairs. c. the central oxygen atom in water has four lone pairs of electrons, whereas the central carbon atom in methane has only one lone pair. d. the central oxygen atom exerts more repulsive force on surrounding atoms than the central carbon atom in methane does. reset next