A black rock has a mass of 12.5 grams. When dropped into a graduated cylinder, the volume rises from 20 ml to 24 ml. What is the density of the rock?

Free answer. the treaty of versailles ended world war i, but some of the terms of the treaty contributed to the beginning of world war ii. which was one of the terms of the treaty? the answer would be "germany was forces to pay reparations to the allied countries.". i hope this .

George is a dalmatian puppy. describe what happens to light that allows you to see george’s black and white coat.

The bond energy for the van der waals bond between two helium atoms is 7.9×10−4ev. assuming that the average kinetic energy of a helium atom is (3/2)kbt, at what temperature is the average kinetic energy equal to the bond energy between two helium atoms