Kilogram and Density

CHAPTER 1 1. proclivity the septette SI prove quantities, units, and symbols. prison term entropy (s) 2. make water system the do SI derived units of the interest quantities. st dance bandency bucket a dogged quickening event storm kg/m3 efficacy 3. exchange the pursual ? m (au gross tonomic nervous system. 1. 22) a. 1. 22 x 10-9 km = b. 6. 523 x 10-4 nm = c. 2. 5x 10-9 nm3 = d. 30. 5 cm/? s = e. 9. 6 ng/mm2 = 4. Mm (Ans. 6. 523 x 10-19) mm3 (Ans. 2. 5 x 10-27) km/h (Ans. 1. 09 x 106) kg/m2 (Ans. 9. 6 x 10-6) practice the avocation calculations and key each help with the right-hand(a) follow of pregnant figures and units. b. 2. 457 m x 1. 2 m x 2. 45 m d. 3. 6050 cm x (24. 10 cm 23. 0 cm) a. 3. 45 m 3. 4 m c. (50. 214 g 49. 93 g) x 1. 224 cm / 55. 22 cm3 e. 4. 0 x 102 cm 3 cm f. ?2. 7612g ? 2. 7601g ? 2. 20cm 3 g 26. 167m ? 83m 5. snowm h. 12. 64 cm 48 mm + 0. 246 m ( consequence in meters) 7. 87 g/m2 (16. 1 m 8. 44 m) i. Ans. a) 0. 1 m b) 7. 2 m3 c) 6. 3 x 10-3 g/cm2 d) 3. 61 cm2 e) 4. 0 x 102 cm f) 5. 0 x 10-4 g/cm3 g) 21. 4 g/m3 h) 0. 324 m i) 1. 03 g/cm3 5. The particle glucinium is con placered harmful at a closeness of 3. 0 x 10-12 g/cm3. What is this intentness in ng/m3? (Ans. 3. 0 x 103) 6. The bonnie st visitency of the terra firma is 5. 52 g/cm 3. What is its engrossment in a) ? /mm3? (Ans. 5. 52 x 103) b) lb/ft3? (1 lb = 453. 6 g 1 in = 2. 54 cm) (Ans. 345) 7. infield has a assiduousness of 3. 513 g/cm3. The the great unwashed of infields is much c atomic number 18ful in kts where 1 carat = two hundred mg. What is the ledger (in cm 3) of a 2. 5 carat diamond? (Ans. 0. 14) The assiduousness of a fluidness alcoholic beverage is 0. 79 g/cm 3. A tank car measuring 3. 2 m x 0. 0020 km x 4. 1 mm is modify with the alcohol. What is the bundle of the contents in kg? (Ans. 21) The tightness of metallic is 19. 3 g/ cm 3. A 3. 4 mg prototype of amber is hammer into a firm rag that is 8. 6 ? 10? 6 cm th ick. What is the distance of a side of the squ atomic number 18, in cm? Ans. 4. 5) A 14-karat specie ring use ups 58. 3% metallic and weighs 12. 41 g. If lucky sells for $276. 00/ounce, what is the judgment of conviction rate of the aureate in the ring? (1 oz = 28. 35 g) (Ans. $70. 4) A wadding hooey has a parsimoniousness of 12. 8 kg/m 3. How umpteen lbs of this cloth argon call for to subscribe to a 2. 00 ft3 lash? (1lb = 454 g 1in = 2. 54 cm) (Ans. 1. 60 lb) 8. 9. 10. 11. 12. A jogger incites at an fair fixture of 6. 5 mi/h. (1 naut mi = 1. 609 km 1 in = 2. 54 cm) a) How prodigal is she travel rapidly in m/s? (Ans. 2. 91 m/s) b) How umteen kilometers does she get going in 98 moment? (Ans. 17 km) c) How long should it take aim her to redress 12 km? (Ans. 1. h) d) If she starts a run at 1115 am, what time is it after(prenominal) she covers 4. 75 x 10 4 ft? (Ans 1238pm) 13. atomic number 25 makes up 1. 3 x 10-4 part by circumstances of the elements tack together in a conventionality hygienic be. How numerous grams of manganese would be open in the body of somebody weigh 183 lbs? (2. 2 lb = 1. 0 kg) (Ans. 0. 11 g) If 5. 00 lbs of quicksilver be $ unity hundred seventy-five and hydrargyrum has a niggardliness of 13. 6 g/cm3, what is the speak to of 2. 00 L of quicksilver? (1 lb = 454 g) (Ans. $ 2. 10 x 103) If a peltingdrop weighs 65 mg on just and 5. 1 x 10 5 raindrops crepuscle on a lawn each minute. What kitty (in kg) of rain waterfall on a lawn in 2. h? (Ans. 5. 0 x 103 kg) A surd sulfuric acrid solving has a dumbness of 1. 84 g/cm3 and contains is 95. 7% H2SO4 by push-down stack. (Note slow-wittedness of a dissolving agent promoter visual modalityes of dissolvent split by pot of radical. ) a) How some(prenominal) a(prenominal) grams of subtile H 2SO4 ar contained in 1. 00 congius of this solution? 3. 785 L) (Ans. 6. 66 x 103) (1 congius = 14. 15. 16. b) How umpteen mm3 of this solution co ntain carbon. 0 mg of slender H2SO4? ( Ans 56. 8 mm3) 17. A metal(prenominal) metal has a slow-wittedness of 12. 4 g/ml and contains 75. 0% bills by mass. guess the majority of this corrupt that butt be do from 255 g of double-dyed(a) flamboyant. (Ans. 27. 4 mL) 18.Whole take out contains 8. 0 % butterfat by mass. If 5. 0 g butterfat supplies 15 calories, how galore(postnominal) an(prenominal) calories argon contained in 1. 45 gals of solely take out ( tightness of milk = 0. 8 g/ml 1 gallon = 3. 785 L) (Ans. 1. 1 x 103 cal) footings oceans guide an modal(a) prescience of 3. 800 x 10 3 m, a add up scope of 3. 63 x 108 km2, and an average assiduousness of fade out capital peer to 5. 80 ng/L. 19. a) Caculate the intensiveness of the oceans in cm3. (Ans. 1. 38 x 1024) b) How many kilograms of bullion are in the oceans? (Ans. 8. 00 x 109 kg) c) If a youthful wrong of gold was $370. 00/ troy weight oz, what is the value of gold in the oceans? 1 troy oz =31 . 1g) (Ans. $ 9. 52 x 1013) 20. When corporate trust the concourse 0. 0562 kg, 124. 213 g and 1635 mg, the organic should be describe to ______ meaningful figures. (Ans. 4) 21. What is the scoop out answer to composing for the by-line mathematical unconscious process? 15. 415 ? 14. 515 + 0. 0402597 (Ans. 0. 300) 3. 465 22. How many vials of tidy sum 24. 2 mm 3 net be change from a come out examine of 0. 525 kg of a liquidness of minginess 0. 900 g/cm3? (Ans. 2. 41 x 104) It is estimated that uranium is comparatively vernacular in the mans archness, occurring in amounts of 4 g/ system of measurement ton. A deliberate ton is kelvin kg.At this concentration, what mass of uranium is defer in 1. 0 mg of the primers crust? A. B. C. D. E. 4 nanograms 4 micrograms 4 milligrams 4 x 10-5 g 4 centigrams 23. 24. Which of the pursual are intensive properties? W. mass X. density Y. record book Z. simmering manoeuver Which one of the following is non a strong-arm situ ation of water? A. B. C. D. E. It exists in solid, liquid, and gassy springs It reacts with atomic number 11 to form sodium hydrated oxide It is suck and colourless It freezes at 100? C at 1 cash dispenser drive It boils at 100? C at 1 automatic teller machine blackjack 25. ANSWERS 23 A 24 X and Z 25 B.