Which is the best description of what happens in a chemical reaction? a. atoms rearrange. b. atoms change into other atoms. c. matter is destroyed. d. matter is formed.

Which statement describes the phase change that occurs when dry ice is placed in an open container at room temperature?

Substance a is a nonpolar liquid and has only dispersion forces among its constituent particles. substance b is also a nonpolar liquid and has about the same magnitude of dispersion forces among its constituent particles. when substance a and b are combined, they spontaneously mix.

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