Which star colors are hot and which are cool? what numbers represent the brightest stars and what numbers represent the dimmest ones?

Which of these expressions are correct variations of the combined gas law? p1v1t2 = p2v2t1 both

Which liquid (h2o, h2o + soap, or h2o + salt) has the strongest cohesion and adhesion? (need now plz)

Which of the following describes qualitative data? a) recording the temperature of a solid as it is warmed. b) noting the color of a solution as it is heated. c) measuring the volume of an object by water displacement. d) taking the mass of an object using a balance.