Question 2 of 11 What will happen to the particles of a substance that is cooled to OK? A. They will stop moving. B. They will speed up. C. They will form a liquid. D. They will gain thermal energy. pl help fast plss

Can someone me with questions 15 to 17 plz.

The volume of helium in a blimp is 6.28 x 10^9 millimeters. the density of helium in the blimp is .1786 kilogram/meter^3. find the mass of the helium in the blimp.

How can you write e method for the experiment of separating sand from water by filtration process? 1-materials 2-steps 3-conclusion also the same for the separating process of water and salt by filtration or distillation. quick because i need to finish my hw