Why do solids have a fixed shape?
a. the particles vibrate
b. the particles are free flowing
c. the particles do not move
d. the particles are tightly packed together

Which of the following is not a true statement about dwarf planets? a the kuiper belt contains comets, asteroids, and dwarf planets. b ceres is a dwarf planet located in the kuiper belt. c the largest known dwarf planet in the solar system is named eris.

Asample of tin (ii) chloride has a mass of 0.49 g. after heating, it has a mass of 0.41 g.  what is the percent by mass of water in the hydrate?   %

Δu of , in kj/kg, as it isto k, (a)as a of , (b) at , (c) at .