Matter and Density REVIEW TIME!!!!

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Presentation transcript:

Matter and Density REVIEW TIME!!!! Woohoooooooo!!!!!!

Organic Molecules What are the organic molecules? CHONPS

Pure Substances What are the two types of pure substances? Elements and Compounds How many different types of elements ormolecules are in a pure substance? One Why is pure water a considered a pure substance? (H2O) It is chemically Bonded and cannot be broken down by physical means. Example: Pure Water (H2O)

Mixtures What are the two types of mixtures? Heterogeneous and homogeneous What type of mixture is a solution? Homogeneous

Mixture Examples Homogeneous-air, sugar water, rain water, vinegar, dishwashing detergent, steel Heterogeneous-cereal in milk, vegetable soup, pizza, blood, gravel, ice in soda, salad dressing, mixed nuts, bowl of colored candies, soil

Mixtures What type of mixture is in this glass? Suspension Which is less dense? Oil, it floats. oil water

Solute + Solvent = Solution Which is the solute? Solvent? Solution? Solute=Kool*Aid Solvent= water Solution= red pitcher of Kool*Aid mix Which is the major part? Minor part? Water, Kool*Aid

What type of mixture is this? Heterogeneous colloid

Density 1. What is the density of an object with a mass of 2g, and a volume of 18 cm3? D=m/v D=2g/18 cm3 D=0.11g/cm3 2. The density of Mercury is 14g/cm3, what is the volume of 42g of mercury? D=m/v v *D=m/v *v v=m/d v=42g/14/cm3 v=3 mL

Density Density = Mass/Volume 1. What is the density of an object with a mass of 2g, and a volume of 18 cm3? D=0.11g/cm3 2. The density of Mercury is 14g/cm3, what is the volume of 42g of mercury? v=m/d v=3 mL

Density What is the mass of 50 mL of benzene? D=m/v m=D X v m=.87g/mL X 50 cm3 m=43.5 g/mL 2. What is the volume of 20 g of methanol? D=m/v v=m/d v= 20g/0.79 g/mL v=25.32g/mL

WARM UP 12/4 Complete in IAN D= m/v 1. What is the density of an object with a mass of 2g, and a volume of 18 cm3? 2. The density of Mercury is 14g/mL, what is the volume of 42g of mercury? 3. What is the mass of 50 mL of benzene with a density of .87g/mL ?

Density 1. What is the density of an object with a mass of 2g, and a volume of 18 cm3? D=m/v D=2g/18 cm3 D=0.11g/cm3 2. The density of Mercury is 14g/cm3, what is the volume of 42g of mercury? D=m/v v *D=m/v *v v*D/D=m/D v=m/D v=42g/14 cm3 v=3 cm3

Density 3. What is the mass of 50 mL of benzene with a density of .87 g/mL? D=m/v v * D=m/v * v m=v*D m=.87g/mL X 50 cm3 m=43.5 g/mL