For each of the following, predict the sign of the entropy change. Explain. Ag+(aq) + Cl(aq) → AgCl(s)

2NH3(g) → N2(g) + 3H2(g)

NH3(s) → NH3(g)

8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.

The atoms of a solid aluminum can are close together, vibrating in a rigid structure. if the can is warmed up on a hot plate, what happens to the atoms?

Why dose heating increase the speed at which a solution dissolved in water