1. at approximately 50°c and 0.5 kpa, what phase of matter is water in? * a. solid b. liquid c. vapor d. both liquid and vapor 2. a sample of neon occupies a volume of 375 ml at stp. what will be the volume of the neon if the pressure is reduced to 90.0 kpa? * a.422 ml b.422 l c. 333 ml d. 333 l 3. a gas at 155 kpa and standard temperature has an initial volume of 1.00 l. the pressure of the gas rises to 500 kpa as the temperature also rises to 135°c. what is the new volume? * a. 2.16 l b. 0.463 l c. 0.207 l d. 4.82 l 4. what pressure will be exerted by 0.650 mol of a gas at 30.0°c if it is contained in a 0.700 l vessel? * a. 2340 kpa b. 2340 atm c. 231 kpa d. 231 atm 5. the vapor pressure of water is * a. high due to very weak intermolecular attractions b. high due to water's polarity c. low due to water's high specific heat d. low due to relatively strong intermolecular attractions 6. which mixture contains the largest particles? * a. solution b. suspension c. colloid d. emulsion 7. how does evaporation of a liquid differ from boiling a liquid? 8. describe the tyndall effect and how it could affect my drive home on a foggy night.