What is the molecular formula of the compound whose molar mass is 90.08 g/mol and empirical formula is ch2o? ?

Wind is related tot he movement or warm cold air masses which kind of heat transfer does this represent

Draw the skeletal structures of two different molecules that are each made of 5 carbon atoms and 12 hydrogen atoms.

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.