Answer Happy

S. which statements about viscosity are true? c) Viscosity increases as temperature decreases (1) Viscosity increases as molecular went increase (H) Viscosity increases as intermolecular torces increase A) (1) only B) (11) and () C) (1) and (1) D) none E) all 6. Viscosity is A) the "skin" on a liquid surface caused by intermolecular attraction B) the resistance to flow C) the same as density D) inversely proportional to molar mass E) unaffected by temperature 7. The shape of a liquid's meniscus is determined by A) the viscosity of the liquid B) the type of material the container is made of C) the relative magnitudes of cohesive forces in the liquid and adhesive forces betwee the liquid and its container D) the amount of hydrogen bonding in the liquid E) the volume of the liquid 8. On a phase diagram, the melting point is the same as A) the triple point B) the critical point C) the freezing point D) the boiling point E) the vapor-pressure curve is the most volatile. 9. Of the following, A) C2H6 B) C216 C) C2Br6 D) C2C16 E) C2F6