Which takes place when a chemical change occurs? A: Bonds connecting atoms in products and reactants form.
B: Bonds connecting atoms in products and reactants break.
C: Bonds connecting atoms in reactants break, and bonds connecting atoms in products form.
D: Bonds connecting atoms in reactants form, and bonds connecting atoms in products break.

Pbco3 –> pbo+ co2. how many liters of carbon dioxide gas is produced from the decomposition of 32 grams of lead (ll) carbonate?

This classification of drug typically changes the brain's chemistry and reduces its ability to create its own endorphins.

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?