What is the difference between a physical change in matter and a chemical change in matter

0.2348 grams of pbcl2 used to form 44.0 ml of solution.

Why does the sun appear to be the brightest star in the sky? a- its apparent brightness is much greater than other stars. b- it burns more gas, making it brighter than any other star. c- it is the largest star in the galaxy, so it is the brightest star. d- its relative distance to earth is closer than the other stars.

Particle model to predict what will happen if a sharp object creates a hole in the soccer ball