Question

a. 4.0 km b. 3.40 km c. 250 km d. 0.25 km e. none 12. Convert 375 pounds to kilograms. a. 826 kg b. 14.0 kg c. 170 kg d. 82 kg e. none 13. Express 12 km/L in mi/gal a. 7.0 mi/gal b. 28 mi/gal c. 31 mi/gal d. 73 mi/gal f. 32 mi/gal 14. How many minutes will it take for a car that is travelling 8.0 x 10 mi/h to travel 200 km? a. 93 min b. 62 min c. 75 min d. 200 min e. none of the above 15. How many milliliters of glycerine (density = 1.26 g/mL) will have a mass of 0.75 lb? a. 175 ml b.62 mL c. 270 mL d. 400 mL e. none of the above 16. What is the density of a cubic metal if it has a mass of 31.0 g and it measures 2.50 cm on each side? a. 2.55 b. 12.4 c. 5.75 d. 1.98 e. none of the above 17. A metal with a mass of 5.75 g was placed inside a graduated cylinder containing 25.5 mL of water; this raised the level of water to 28.0 mL. What is the density of this metal? a. 2.30 g/mL b. 2.3 g/mL c. 0.225 g/mL d. 0.368 g/mL e. none of the above 18. An unknown liquid has a density of 1.32 g/mL. What is the volume of a 14.7-g sample of the liquid? a. 11 ml b. 11.1 mL c. 11.13 mL d. 11.14 mL e. 11.136 mL 19. Convert 323.0 K to Fahrenheit (O K = 273.15 °C). a. 18 °F b. 60 °F c. 121.7 °F d. 175 °F e. none of the above 20. A doctor's order is 0.25 g of Policillin suspension. How many mL of Policillin will be required if this suspension contains 250 mg/5.0 mL? a. 10 mL b.2.5 mL c. 7.5 mL d. 5,0 mL e. none of the above 21. The daily dose of Amoxicillin for the treatment of a bacterial infection is 115 mg/kg of body weight. What would be the daily dose, in g, for a 35 lb child? a. 1.8 g b. 6.2 g c.75 g d.3.5 g e. none of the above 22. If a patient requires 30.0 g/d of some medication and it comes in 500 mg tablets, how many tablets does this patient need in a day? a. 10 tablets b. 6 tablets c. 8 tablets d. 15 tablets e, none of the above 23. Write each of the following in scientific notation:

Answer 1

1 pound = 0.454 kg 375 pound = 375x0.454 = 170.25kg. 12 km 1 km = IL= 0.621 mi 0.264 gal. - 2 12 km (0.621 mis - co.264 gall 1220 162) = 28 mil gal 0. 264 = (14) speed - 8x10 mi = 80 milux Imi = libos km. Seud = 80x1.609 km = 128.78 km hr ny Ihr = 60 min " Send = 128.78 km - 2.14 kilmin 60 Time = = - 93 m Distany krua 200m 2.14 km this