(PLZ HELP ASAP) N2 + 3H2 --> 2NH3 Calculate the mass of N2 that would be needed to produce from 75.0g of NH3? Show your work by including all values used to determine the answer.

Which statements are true about electrolysis? check all that apply. electrolysis requires an acid be present. electrolysis is described by two half-reactions. electrolysis is not an industrial process. electrolysis results in commercially valuable products. electrolysis involves the transfer of electrons. reduction results in the loss of electrons. oxidation results in the loss of electrons.

Acontrol during an experiment. might change remains constant does not exist does change

Energy defines the different "states" of matter. in no more than 3 sentences, describe the amount of kinetic energy that each of the 3 states of matter possesses and relate that to the atom/molecular motion of each "state".