What is K a for HNO2 (aq) rightleftharpoons HAI^ + (aq)+NO2 (aq)

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

Sugar is dissolved in water. which is the solute? sugar neither both water

What state of matter is ice a. liquid b. element c. solid d. gas