Solids, Liquids, Gases

Solids, Liquids, Gases - Unit 7: Solids, Liquids and Gases...

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Unit 7: Solids, Liquids and Gases – 50 point quiz (MC = 2 points each, SA = 10 points) 1. At STP, a compound with a low boiling point which is insoluble in water most likely exists as a. Ionic crystals b. Metallic crystals c. Nonpolar molecules d. Polar molecules 2. At which Celsius temperature does lead change from a solid to a liquid? a. 874 o C b. 601 o C c. 328 o C d. 0 o C 3. Which element is a solid at STP and a good conductor? a. iodine b. mercury c. bromine d. copper 4. A sample of gas is held at constant pressure. Increasing the Kelvin temperature of this gas sample causes the average kinetic energy of its molecules to a. Decrease and the volume of the gas sample to decrease b. Decrease and the volume of the gas sample to increase c. Increase and the volume of the gas sample to decrease d. Increase and the volume of the gas sample to increase 5. At standard pressure, a certain compound has a low boiling point and is insoluble in water. At STP, this compound most likely exists as a. Ionic crystals b. Metallic crystals c. Nonpolar molecules d. Polar molecules 6. At STP, which sample contains the same number of molecules as 11.2 liters of CO 2 at STP? a. 5.6 L of NO 2 b. 7.5 L of H 2 c. 11.2 L of N 2 d. 22.4 L of CO 7. Which term is defined as a measure of the average kinetic energy of the particles in a sample? a. temperature b. pressure c. thermal energy d. chemical energy 8. A substance that does not conduct electricity as a solid but does conduct electricity when melted is most likely classified as a. An ionic compound b. A molecular compound c. A metal d. A nonmetal 9. Which Kelvin temperature is
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This note was uploaded on 01/01/2012 for the course CHEM 101 taught by Professor Donahue during the Spring '11 term at Long Island U..

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Solids, Liquids, Gases - Unit 7: Solids, Liquids and Gases...

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