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Chemistry Vocab #3

Chemistry Vocab #51-75

QuestionAnswer
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.
Created by: ksalazar