The specific heat of platinum is 0.133 J/g°C .How much heat is released when a 10 g piece of platinum cools from 100°C to 50°C

Agas has a volume of 0.7 l at 300 mmhg. what would be the new volume at 900 mmhg

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?

What is calcium oxide+diphosphorus pentoxide--> calcium phosphate balanced