13) which statement explains why low temperature and high pressure are required to liquefy chlorine gas? a) chlorine molecules have weak covalent bonds. b) chlorine molecules have strong covalent bonds. c) chlorine molecules have weak intermolecular forces of attraction. d) chlorine molecules have strong intermolecular forces of attraction.

Plz mark brainliest 30 points 1) find the momentum of a 12 kg snowball that is rolling with a velocity of 9 m/s. 2) an 8 ball with a mass of .5 kg is sitting at rest. it is hit by the cue ball (1 kg) traveling at 2.5 m/s. if the cue ball is at rest after the collision, how fast is the 8 ball traveling after the collision? 3) two football players are running toward each other. if the offensive player is 75 kg and is running 8 m/s, how fast must the 60 kg defensive player run in order for the two players to hit and stop?

Draw metallic bonding if two copper

How many grams of oxygen gas are contained in a 15 l sample at 1.02 atm and 28°c? show your work.