3 (2 Points)
How many moles of CO2 is 6.9x1030 particles of CO2?
A. 1.1x10’moles
B. 1.1x10 moles
C.1.3x103 moles
D. 1.3x10’moles

What’s a special glass that most beakers are made of

Which of these conditions most likely produces an unstable isotope?

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?