What is the net ionic equation for the reaction between CoCl2 and an alkali hydroxide? A. Co2+(aq) + 2OH-(aq)  Co(OH)2(s)
B. Na+(aq) + Cl-(aq)  NaCl(s)
C. Co3+(aq) + 3OH-(aq)  Co(OH)3(s)

Llama have 74 chromosomes how many chromosomes will they be found in their gametes explain how you know

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?

Aweight lifter raises a 1600 n barbell to a height of 2.0 meters. how much work was done? w = fd a) 30 joules b) 3000 joules c) 320 joules d) 3200 joules