At a certain temperature ,molecules of methane gas ch4 have an average velocity of 0.098m/s. what is the average velocity of carbon dioxide molecules at this same temperature?

How much heat is released upon converting one mole of steam (18.0 g) from 100.0 ∘c to water at 25.0 ∘c? show work and constants, trying to figure out how it works. only given the heat capacity for steam and water so try to only use that

Melissa is interested in her family tree and how her family has changed over its many generations. melissa probably more closely resembles

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.