Classify each change as physical or chemical. a. sugar burns when heated in a skillet b. sugar dissolves in water c. a platinum ring becomes dull because of continued abrasion d. a silver surface becomes tarnished after exposure to air for a long period of time

What are the genotypic and phenotypic ratios

Calculate the mass of silver needed to react with chlorine to produce 126g if silver chloride?

Plz mark brainliest 30 points1) 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?