Question | Answer |
Calorie | A unit of heat; the heat required to raise the temperature of 1gram of water to 1 degree Celsius; 4.19 Joules of energy. |
Carbohydrate | A compound of carbon, hydrogen and oxygen, such as sugar, a starch, or a cellulose, formed by green plants and used as a source of food. |
Catalyst | A substance or combination of substances which accelerate a chemical reaction without being used up itself. |
Cathode | A negatively charged, or electron rich, electrode. |
Cation | An ion attracted to the cathode of an electrolytic cell; a positive ion. |
Caustic | Capable of converting some types of animal and vegetable matter into soluble materials by chemical action. |
Cement | A substance made from limestone and clay, which after mixing with water, sets to a hard mass. |
Cent | Metric prefix meaning 0.01. |
Centigrade Scale | The Celsius temperature scale. |
Chemical Bond | The linkage between atoms produced by transfer or sharing of electrons. |
Chemical Changes | A charge in which new substances with new properties are formed. |
Chemical Equilibrium | The state of balance attained in a reversible chemical action in which the rates of the opposing reactions are equal. |
Chemical Formula | A shorthand method of representing the composition of substances using chemical symbols and numerical subscriptions. |
Chemical Kinetics | The branch of chemistry concerned with the sequence of steps by which chemicals reactions occur and the rate at which they proceed. |
Chemical Properties | Those properties which pertain to the behavior of a material in changes in which its identity is altered. |
Chemical Symbol | Either a single capital letter, or a capital letter and a small letter used together, as an abbreviation for (1) and element (2) an atom of an element (3) a mole of atoms of an element. |
Chemistry | The science dealing with the structure and composition of substances and the changes in composition which these substances undergo. |
Chemistry, Organic | The chemistry of carbon compounds. |
Colloidal State | A state of subdivision of matter ranging between the dimensions of ordinary molecules and microscopic particles. |
Combustion | Any chemical action which occurs so rapidly that both noticeable heat and light are produced. |
Common-ion Effect | The shift in equilibrium which occurs when a substance is added to a solution of a second substance with which it has a common ion, the volume being kept constant. |
Composition Reaction | A chemical reaction in which 2 or more substances combine to form a more complex substance. |
Compound | A substance which can be decomposed into two or more simpler substances by ordinary chemical means. |
Concentrated | Containing a relatively large amount of solute. |
Condensation | (1) The process of converting a gas into a liquid or solid (2) Increasing the size of very small particles up to colloidal size. |