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Station One: Select the largest of the following values: 500 mg 500 cg 500 g 500 Dg Answer: 500 Dg as this is the only prefix given that is larger than the base unit Station Two: 1. Convert from 67.5 Hm to nm. Answer: 6.75 x1012 nm 2. Convert from 56830 g to Kg Answer: 5.683x10-5 Kg Station Three: According to the CRC Handbook of Chemistry and Physics, the density of iron is 7.9 g/cm3. A sample of iron is found to have a mass of 610.4 dg. What volume does it occupy in ml? Answer: 7.72658 mL or 7.7 mL (in sig figs) Station Four: The density of silver is 10.5 g/cm3. A block of silver has dimensions of 105 mm by 85 mm by 15 mm. What is the mass of this block of silver? Answer: 1,405.69 g or 1400 g (in sig figs) Station Five: You have a regularly shaped object that occupies a volume of 450 mm3 and has a mass of 18.3 g. Express the density in Kg/L. Answer: 40.667 Kg/L or 41 Kg/L (in sig figs) Station Six: 1. Convert from 118.3 mm/sec to Hm/hr. Answer: 4.259 Hm/hr 2. Convert from 31.5 g/cm3 to cg/mm3. Answer: 3.15 cg/mm3 Station Seven: 1. Convert from 28C to K. Answer: 28 + 273 = 301 K 2. Convert from 315 K to C. Answer: 315 – 273 = 42C 3. Which temperature scale includes the concept of absolute zero? Answer: Kelvin scale; 0K represents the point at which all motion ceases. Station Eight: 1. The number 0.0073 has ___ significant figures. Answer: 2 2. The number 1008.4 has ___ significant figures. Answer: 5 3. The number 64000 has ___ significant figures. Answer: 2 4. The number 1.310 has ___ significant figures. Answer: 4 Station Nine: When performing this operation, report your answer with the correct number of significant figures: 15.20 (0.0730)(143.0) 0.882 (120) Answer: 1.5 Station Ten: Report your answer with the correct number of significant figures. 12.301 15.75 13.4068 14.7 + 16.25 Answer: 72.4 Station Eleven: Round 100,301 to three significant figures. Answer: 1.00 x105 Station Twelve: 1.Write the following numbers in scientific notation: a. 2,340,000,000 b.0.0083 c. 121,000 d.0.68 Answer: a. 2.340x109 b. 8.3x10-3 c. 1.21x105 d. 6.8x10-1 2.Expand the scientific notation into traditional numbers: a. 6.02x1023 b.5.91x10-5 c. 1.10x103 Answer: a. 602,000,000,000,000,000,000,000 b. 0.0000591 c. 1,100 Station One: Select the largest of the following values: 500 mg 500 cg 500 g 500 Dg Station Two: 1. Convert from 67.5 Hm to nm. 2. Convert from 56830 g to Kg Station Three: According to the CRC Handbook of Chemistry and Physics, the density of iron is 7.9 g/cm3. A sample of iron is found to have a mass of 610.4 dg. What volume does it occupy in ml? Station Four: The density of silver is 10.5 g/cm3. A block of silver has dimensions of 105 mm by 85 mm by 15 mm. What is the mass of this block of silver? Station Five: You have a regularly shaped object that occupies a volume of 450 mm3 and has a mass of 18.3 g. Express the density in Kg/L. Station Six: 1. Convert from 118.3 mm/sec to Hm/hr. 2. Convert from 31.5 g/cm3 to cg/mm3. Station Seven: 1. Convert from 28C to K. 2. Convert from 315 K to C. 3. Which temperature scale includes the concept of absolute zero? Station Eight: 1. The number 0.0073 has ___ significant figures. 2. The number 1008.4 has ___ significant figures. 3. The number 64000 has ___ significant figures. 4. The number 1.310 has ___ significant figures. Station Nine: When performing this operation, report your answer with the correct number of significant figures: 15.20 (0.0730)(143.0) 0.882 (120) Station Ten: Report your answer with the correct number of significant figures. 12.301 15.75 13.4068 14.7 + 16.25 Station Eleven: Round 100,301 to three significant figures. Station Twelve: 1.Write the following numbers in scientific notation: a. 2,340,000,000 b.0.0083 c. 121,000 d.0.68 2. Expand the scientific notation into traditional numbers: a. 6.02x1023 b.5.91x10-5 3 c. 1.10x10