Are you in chemistry now? Yes No IDK

Physics Chemistry Biology Geology The study of the composition and structure of matter is the domain of which field of science? Physics Chemistry Biology Geology

Chemistry is chiefly concerned with the study of which of the following types of changes in substances? Changes in composition Changes in shape Changes in volume Changes in amount

A biochemist might: Determine the amount of energy released when a fossil fuel burns Design a method to speed up the production of a metal from its ore Identify the genes that control the production of insulin Determine how much table salt will dissolve in a liter of water

The study of substances that do not contain carbon. Inorganic chemistry Organic chemistry Biochemistry Physical chemistry

Which of the following best describes an example of pure chemistry Developing a cure for cancer Creating a new shampoo for Suave Studying chemicals that contain nitrogen

An analytical chemist would be interested in: Determining the energy transfer when water boils Manufacturing nylon, which contains carbon Finding out how much nitrogen is in a sample of air Studying the process of photosynthesis in plants

Matter _____ . Is anything that has mass Is a solid, liquid, or gas Takes up space All of the above

All of the following are physical properties of matter EXCEPT _____. Mass Melting point Color Explosiveness

Which of the following CANNOT be classified as a substance? Aluminum Steel Salt Sugar

Physical properties of a substance include _____. Color and odor Melting points and boiling points Density and hardness All of the above

All of the following changes to a metal are physical changes EXCEPT _____. Bending Rusting Melting Cutting

Which of the following is a homogeneous mixture? Alcohol and water Dirt and water Oil and water

Matter that is uniform throughout and can be separated into two or more pure substances only by a chemical change is a(n) _____. Element Mixture Compound Solution

Which of the following is NOT an example of matter? Water vapor Smoke Rocks Energy

A ______________ is a kind of matter that has a uniform and definite composition Heterogeneous mixture Solution Substance Homogeneous mixture

Process in which a liquid is boiled to produce a vapor and then is condensed again into a liquid to separate components. Chromatography Filtration Chemical change Distillation

Best method used to separate an insoluble solid and a liquid. Distillation Evaporation Filtration Chromatography

Properties that depend on the amount of matter Extensive Intensive

Malleability is the ability to Be hammered into thin sheets Be drawn into fine wire Conduct an electric current Flow

Which of the following is an example of an extensive physical property? Ductility Mass Melting point Conductivity

Which phrase best describes a pumpkin? Homogeneous mixture Homogeneous compound Heterogeneous mixture Heterogeneous compound

Things to know… Calculate Rf values and compare to Food and Drug Values Understand how chromatography works along with other separation techniques Know all vocab terms Apply the scientific method, identify variables in an experiment, graph data Signs of a chemical change/reaction Branches and areas of chemistry Pure vs. Applied

Reminder… Chromatography lab is due Friday, October 20