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

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

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

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

PRACTICE 1. How many kg are in 151 pounds? 1. How many kg are in 151 pounds? 2. Convert 2.3 gallons to liters. 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? 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 How many ft 2 are in 1345 in 2

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

DENSITY CONTINUED Substances and their densities: Substances and their densities: Water1 g/mL Water1 g/mL Table Sugar 1.59 g/mL Table Sugar 1.59 g/mL Gold 19.3 g/mL Gold 19.3 g/mL Ice0.917 g/mL Ice0.917 g/mL Ethanol g/mL Ethanol g/mL

DENSITY 1. What is the density of an object that has a mass of 5 g and a volume of 2.5 cm 3 ? 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/mL and a volume of 2 mL?

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

DENSITY 4) CaCl 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? 4) CaCl 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 5 ) 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?

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? 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 Jenga Block Density Lab and Density of Irregular Shape Object Lab

DENSITY AS A CONVERSION FACTOR Density can be used as a conversion Density can be used as a conversion Water’s density is 1 g / mL Water’s density is 1 g / mL This can be interpreted as 1 g = 1 mL for water This can be interpreted as 1 g = 1 mL for water Interpret the following: Interpret the following: Density of gold = 19.3 g / cm 3 Density of gold = 19.3 g / cm 3

DENSITY PRACTICE PROBLEM 28.5 g of iron shot is added to a graduated cylinder containing mL of water. The water level rises to mL mark, from this information, calculate the density of iron.

WRITE CONVERSION FACTORS Given Density Given Density Cork 0.24 g / mL Cork 0.24 g / mL Diamond 3.26 g / cm 3 Diamond 3.26 g / cm 3 milk g / mL milk g / mL

Calculate the volume occupied by 23.0 g of a liquid. The density of the liquid is g/mL. Calculate the volume occupied by 23.0 g of a liquid. The density of the liquid is g/mL g1 mL g mL 9.81 mL

PRACTICE How much volume in mL does g of a liquid take up if its density is 5.63 g/cm 3 ? How much volume in mL does g of a liquid take up if its density is 5.63 g/cm 3 ? Ans) 2.94 mL Ans) 2.94 mL

PRACTICE The density of water is 1.0 g/cm 3. Express this value in kilograms per m 3 ? 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 ) 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 ? 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 = g. The density of diamond is 3.51 g/cm 3. What is the volume of a 5.0 carat diamond? Diamonds are measured in carats and I carat = 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. 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/mL. What mass in kg will 2540 mL of the solution have? 1) Sodium hydroxide has a density of 1.51 g/mL. What mass in kg will 2540 mL of the solution have? 2) Convert 36.4 years to minutes 2) Convert 36.4 years to minutes 3) Convert 987 meters to feet 3) Convert 987 meters to feet