Properties and Changes Quiz (21-22) (COPY) / 4 of 14 A scientist finds 20mL of a mystery liquid that weighs 18.4g. What substance is it?
Average Densities of Substances
Substance
Density (g/mL)
0.81
Ethanol
0.92
Olive Oil
Water
1.00
1.26
Glycerin
O A. Water
OB. Olive Oil
O C. Ethanol
O D. Glycerin

What does x represent in the formula for the compound xcl4?

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?

In the millikan oil drop experiment they determined that every drop had a charge which was a while number multiple of -1.60x10^-19. if a drop has a total charge of -9.60x10^-19 then how many excess electrons are contained within the drop?