Aqueous solutions of a compound did not form precipitates with Cl -, Br -, I -, SO 4 2-, CO 3 2-, PO 4 3-, OH -, or S 2-. This highly water-soluble compound produced the foul-smelling gas H 2S when the solution was acidified. This compound is .

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?

Which electron configuration represents the electrons in an atom of sodium in the ground state at stp

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?