Which state of matter is spread apart and not connected

Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change

If an area has high air pressure and low humidity, what type of weather will it most likely have? plz !

Hydrogenation reactions, in which h2 and an "unsaturated" organic compound combine, are used in the food, fuel, and polymer industries. in the simplest case, ethene (c2h4) and h2 form ethane (c2h6). if 140 kj is given off per mole of c2h4 reacting, how much heat (in mj) is released when 12 kg of c2h6 forms?