The equation for the formation of water from hydrogen gas and oxygen gas is 2H2+O2→2H2O. How many grams of water can be made from 160 g of oxygen gas?

160 g

180 g

320 g

405 g

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.