PLZ HELP WORTH 30 POINTS

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?

Use the periodic table to find the molar mass of each element. molar mass h = g/mol molar mass s = g/mol molar mass o = g/mol

Describe at least two advantages and two disadvantages of using hydropower as a source of energy.