Chemistry, 06.07.2019 00:00 coolman5999alt
Keri has to identify a mysterious brown liquid in science class. she pours it through a filter, but the substance looks the same. then she heats the substance and collects the water that evaporates. the water droplets look the same as the original substance. keri concludes that since the substance cannot be separated it must be a compound. is keri correct?
Answers: 2
Chemistry, 21.06.2019 18:00
What does earth’s rotation on its axis cause? the tides night and day passing of years phases of the moon
Answers: 1
Chemistry, 22.06.2019 07:30
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?
Answers: 1
Chemistry, 23.06.2019 03:30
If you need to add 27.50ml of a solution, which piece of glassware would you use to deliver this volume and explain how you would determine if the 27.50 ml was measured?
Answers: 1
Keri has to identify a mysterious brown liquid in science class. she pours it through a filter, but...
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