Calculate the amount of heat, in calories, that must be added to warm 67.0 g of brick from 19.9 °C to 54.2 °C brick is 0.20

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?

Complete each row of the table below by filling in the missing prefix or missing exponent.

What is the common name for the compound shown here? enter the common name of the compound shown?