(select all that apply.) gas pressure can be defined as

force per unit area exerted by gas particles(correct)

the volume of gas per cm3

collisions of gas particles with objects exerting a force on the object (correct)

the mass of a gas in a certain volume

When the ionic compound nabr dissolves in water, br– ions are pulled into solution by the attraction between what two particles? a. the na+ and br– ions b. the na+ ion and the negative end of a water molecule c. the br– ion and the positive end of a water molecule d. the br– ion and the negative end of a water molecule