test3 - Chemistry 1151 Test III Multiple Choice (3 points...

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Chemistry 1151 Test III Multiple Choice (3 points each, place answers on the answer sheet) ____1. In the reaction: 2 SO 2 + O 2 2 SO 3 the SO 2 is a. oxidized b. reduced c. an acid d. a base ____2. A substance is reduced if it a. loses oxygen b. gains oxygen c. loses hydrogen d. loses electrons ____3. Which substance is a common oxidizing agent? a. C b. H 2 c. KmnO 4 d. Na ____4. In a reaction, the substance undergoing reduction serves as the a. oxidizing agent b. reducing agent c. electron donor d. proton ____5. In the reaction below, what is the oxidizing agent? Ca + Cl 2 Ca 2+ + 2 Cl - a. Ca b. Cl 2 c. Ca 2+ d. Cl - ____6. Which of the following is not used as a unit for pressure? a. millimeters of mercury b. torr c. atmosphere d. meters of water ____7. As a gas is cooled, its volume decreases a. because the molecules crowd together to stay warm. b. if the pressure remains constant c. if the average kinetic energy remains constant d. and the pressure increases ____8. When a 23 mL sample of dry CO 2 gas at 10 o C is changed to 30 o C at a constant pressure, the volume of the gas becomes: a. 7.7 mL b. 21 mL c. 25 mL d. none of these
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____9. The solubility of a gas in a liquid
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test3 - Chemistry 1151 Test III Multiple Choice (3 points...

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