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12. A sample of water and a sample of ethanol are 16. A 025 M aqueous both boiling in open containers at standard pressure. For the vapor pressure(P) and temperature (T), the two liquids have are 16. AMus solution of KCI is tdfo conductivisy using the type of apparaus sh (A) the same P and the same T (B) the same P but different T (C) different Pe but the same T (D) different P and different T What do you peedisct will happen Bulb 13. Under conditions of fixed temperature amount of gas, Boyles law requires that and 11. PV=constant (A) The bulb will noa lighn up. KCI is nonelectrolyte. (A) I only (C) III only (E) another combination (B) The bulb will not light up. KCI is in the molecular form when dissolved in water (C) The bulb will shine dimply. KCI is only partially ionized in aqueous solution. (D) The bulb will shine brightly. KCI is highly (B) II only (D) L, II, and I11 14. W ionized in aqueous solution. hat is the minimum amount of time that you should wash your eyes out if they have been splashed with a hazardous chemical? 17, when the molecules of ethanol. CHOH. are added to water, the ethanol molecules (A) nonpolar; are attracted to the mopolar water (B) polar, form hydrogen boods with the polar (A) 5 minutes (C) 15 minutes (B) 10 minutes (D) 20 minutes molecules. water molecules. (C) polar, form covalent bonds with the polar water 15. When an emergency occurs (A) report the nature and location to your instructor (B) evacuate at once without notifying anyone (C) telephone friends in other labs (D) move injured person (E) open all doors as you evacuate (D) nonpolar: are not attracted to the polar water molecules. 18. Why are no unauthorized experiments allowed in the lab? (A) the student lacks laboratory experience (B) most professors love to only see their selected experiments performed (C) the stockroom may not have the reagents or (D) it may take more time to perform than expected (E) all of the above chemicals needed 19. How many liters are there in a cubic centimeter (D) 10 (C) 10 (B) 10 (A) 10
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