Science ch. 8

chemical change resulting from a collision between atoms or molecules

expression that uses chemical symbols to represent a chemical reaction

what kind of chemical reaction absorbs heat

what is the term for the kinetic energy needed for colliding molecules to chemically react

the principle that states that the total mass of the reactants is equal to the total mass of the products

original substances that undergo a chemical reaction

new substances produced by the reaction

chemical reaction that releases thermal energy

substances that produce hydroxide anions (OH-) in an aqueous solution

what scale describes the relative acidity or basicity of a solution

branch of chemistry addresses chemical reactions that involve an electric current

solutions that conduct electricity

which electrode does oxidation occur

process of passing an electric current through an electrolytic solution to bring about a chemical reaction

when an electrochemical cell produces electricity through an irreversible chemical reaction

chemical reaction in which a compound breaks down or decomposes to form different substances

chemical reactions in which an element in a compound in replaced by another element are classified as

chemical reactions in which two compounds exchange atoms or ions

which element form more compounds than all the other elements combined

Hydrocarbon containing one or more double bonds between carbon atoms

ring shaped molecules

organic compound with one or more hydrogen atoms replaced with an -OH group

hydrocarbons with one or more triple bonds between carbon atoms

hydrocarbons having only single bonds between carbon atoms

reactants continually replenished from an outside source

designed to be recharged with electricity  from an outside current source

most widely used types of voltaic cell

electrochemical cell that produces a chemical reaction through that produces a chemical reaction through electrolysis

device designed to produce an electrochemical reaction

substituted hydrocarbons contain the functional group -COO- and typically have pleasant floral or fruity odors

group of organic compounds commonly used to dissolve oil or grease in water

a huge organic molecule composed of many smaller molecules composed of many smaller molecules linked together

compounds that provide most of the energy for living things

What polysaccharide forms the cell walls of plant cells, gives plants and trees their rigid structure, and is an important part of our diet

biological compounds characterized by being insoluble in water

proteins that transport cholesterol through the blood

building blocks of proteins

major type of protein has an intricate, three-dimensional shape

special globular proteins that initiate or regulate chemical reactions within the cell

fats that are usually liquid at room temperature

important six-carbon sugar found in both animals and plants

relatively small carbohydrates containing up to about ten rings of atoms

polysaccharides used for food storage in plants

polysaccharides used for storage in people and animals

fatty acids are usually combined into larger molecules

complex organic molecules used to build and maintain living cells

when a thin coating of metal on an object by electrolysis

process by which the body produces and uses energy form food

process of cellular respiration uses energy to synthesize a special phosphorus compound called

a process where glucose is burned in mitochondria, special power plants within the cell