1. K reacts with HCl (hydrochloric acid) to produce KC1 (potassium chloride) and H2 (hydrogen gas). How much K (in grams) would you need to make 10 g of H2?​

The best solution for preventing harm to people and pets from severe hurricanes involves determining and warning residents about what

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?

May someone me with these science questions