Which types of reactions would result in the production of gas? PLEASE HELP NOW!! worth lots of points

What does a particular point on a line of a phase diagram represent? o a. the maximum temperature a substance can exist at without bonds breaking b. the pressure created by the kinetic energy of molecules at a particular temperature c. the melting point or boiling point of a substance at a specific pressure d. the conditions in which temperature and pressure have equal effects on a substance

Hey guys so i need to know what is _nh3+> nh4oh ~chemistry~

Which of the following is not one of the steps in the scientific method a. hypothesize b. summarize c. analyze d. familiarize