Which planet do scientists believe prevented the asteroids in the asteroids belt from forming a planet?

a. earth
b. jupiter
c. mars
d. neptune

The isotonic saline solution described in part a is connected to an unknown solution via a semipermeable membrane, the unknown solution level drops. based on this information, what can be said about these two solutions?

Which of the following signs of a chemical reaction are observed in the reaction of potassium with water? precipitate formed temperature change smell produced gas produced color change

How many moles of al3+ ions are in 1.25 moles of al2o3