Mixture d mixture e mixture a b physical properties c

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Unformatted text preview: e ore bauxite. Burning 10.0 g of gasoline releases 4.20 × 105 J. If burning gasoline is used to supply the energy to produce aluminum from bauxite, then how many grams of gasoline are needed to make enough aluminum for one beverage can containing approximately 15 g Al? 18. What mass of carbon monoxide (CO) in kilograms is present in the lower 500 m of air above a section of a city that measures 10 km × 10 km if the concentration of CO is 10 mg/m3 ? ANSWERS Exercises 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. a. d. e. heterogeneous b. c. homogeneous a. compound b. element c. mixture d. mixture e. mixture a. b. physical properties c. d. chemical properties a. d. physical change b. c. chemical change 3330 cm3 11.2 g/cm3 83°F 53 3°C a. 7 × 10 –6 g b . 8.0 × 10 –9 m c . 1.4 × 10 5 L d. 1.0 × 10 3 s a. 2.4 × 10 4 b . 1.4 × 10 –4 c . 7.4 × 10 8 d. 9.06 × 10 –2 a. 0.0052 b. 1400 c. 7,050,000 d. 0.0000706 a. 3 b. 2 c. 3 d. 4 e. 4 a. 0.609 b. 1.0 × 10 3 c. 0.0002...
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This note was uploaded on 09/15/2009 for the course CHEM 102 taught by Professor Bastos during the Spring '08 term at Adelphi.

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