WARMUP 09122016 Convert 75 miles per hour to

WARM-UP 09/12/2016 • Convert 75 miles per hour to centimeter per second

ADVANCED FACTOR LABEL PROBLEMS • Convert 65 miles per hour to kilometers per minute

PRACTICE • Nolan Ryan threw a baseball with a velocity of 100. 9 miles/hr. Calculate the velocity in meters per second.

PRACTICE • If Joel and Catherine are driving down I-85 going 114. 6 mph when they are pulled over how fast are they going in feet per second?

PRACTICE • 1. How many kg are in 151 pounds? • 2. Convert 2. 3 gallons to liters. • 3. A first down in football requires a gain of 10. 0 yards. How many meters is this?

PRACTICE • How many ft 2 are in 1345 in 2

DENSITY • Density is the ratio of mass to volume • Mathematically • D = Mass / Volume • Units for density include g/cm 3, g/m. L, or kg/m 3

DENSITY CONTINUED Substances and their densities: • Water 1 g/m. L • Table Sugar 1. 59 g/m. L • Gold 19. 3 g/m. L • Ice 0. 917 g/m. L • Ethanol 0. 789 g/m. L

DENSITY • 1. What is the density of an object that has a mass of 5 g and a volume of 2. 5 cm 3 ? 2. What is the mass of an object with a density of 10 g/m. L and a volume of 2 m. L?

MORE DENSITY PRACTICE 3) What is the volume of a tank that can hold 18, 754 grams of methanol whose density is 0. 788 g/cm 3?

DENSITY • 4) Ca. Cl 2 is used as a de-icer on roads in the winter. It has a density of 2. 50 g/cm 3. What is the mass of 15. 0 L this substance?

MORE DENSITY QUESTION ) An empty 250 milliliter beaker has a mass of 60 grams. When 100 milliliters of oil is added to the beaker, the total mass is 140 grams. What is the density of the oil? 5

DENSITY PRACTICE PROBLEM • 6) A rectangular block of copper metal weighs 1896 g. The dimensions of the block are 8. 4 cm by 5. 5 cm by 4. 6 cm. From this data, what is the density of copper?

DENSITY LABS • Jenga Block Density Lab and Density of Irregular Shape Object Lab

DENSITY AS A CONVERSION FACTOR • Density can be used as a conversion • Water’s density is 1 g / m. L • This can be interpreted as 1 g = 1 m. L for water • Interpret the following: • Density of gold = 19. 3 g / cm 3

DENSITY PRACTICE PROBLEM 28. 5 g of iron shot is added to a graduated cylinder containing 45. 50 m. L of water. The water level rises to 49. 10 m. L mark, from this information, calculate the density of iron.

WRITE CONVERSION FACTORS • Given Density • Cork 0. 24 g / m. L • Diamond 3. 26 g / cm 3 • milk 1. 031 g / m. L

• Calculate the volume occupied by 23. 0 g of a liquid. The density of the liquid is 2. 345 g/m. L. 23. 0 g 1 m. L 9. 808102 m. L 2. 345 g 9. 81 m. L

PRACTICE • How much volume in m. L does 16. 56 g of a liquid take up if its density is 5. 63 g/cm 3? • Ans) 2. 94 m. L

PRACTICE • The density of water is 1. 0 g/cm 3. Express this value in kilograms per m 3?

PRACTICE • In Raiders of the Lost Ark, Indiana Jones tried to remove a gold idol from a booby-trapped pedestal. He replaces the idol with a bag of sand. If the idol has a mass of 2. 00 kg, how many Liters of sand must he place on the pedestal to keep the mass sensitive booby-trap from activating? (Density of sand is 3. 00 g/cm 3)

• The density of manganese is 7. 21 g/cm 3. What is the density of manganese expressed in kg/m 3?

MORE OPPORTUNITY TO PRACTICE • Diamonds are measured in carats and I carat = 0. 200 g. The density of diamond is 3. 51 g/cm 3. What is the volume of a 5. 0 carat diamond?

• Normal river flow is 7 ft 3 per hour. Convert this value to mm 3 per second.

MORE PRACTICE CONVERSIONS • 1) Sodium hydroxide has a density of 1. 51 g/m. L. What mass in kg will 2540 m. L of the solution have? • 2) Convert 36. 4 years to minutes • 3) Convert 987 meters to feet