How many molecules are in 5.50 moles of methane (Ch4)

How many molecules are in 6.0 moles of methane

Which diagram represents the phase tha occurs after a solid melts?

What role does weathering have in shaping earth’s surface? a) it allows sediments to fall out of a medium. b) it sediments settle on a new surface. c) it breaks down older material into sediments. d) it transports sediments to a different location. will give brainliest, answer quickly.