In the combustion reaction 2C2H6 + 7O2 ➔ 4CO2 + 6H2O, ethane gas reacts with oxygen to produce carbon dioxide and steam. If 18.6 g of C2H6 reacts with 69.2 g of O2 to produce 54.4 g of CO2, how much steam does it produce?

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.