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Chemistry Exam 2

TermDefinition
Solvent a substance, often a liquid that is capable of dissolving one or more pure substances
Solute The solid, liquid, or gas that dissolves in a solvent
nonelectrolyte a solute that is non-conducting in aqueous solution
electrolyte a solute that conducts electricity in aqueous solution
Cation a positively charged ion
Anion A negatively charged ion
Ion an atom or group of atoms that has acquired a net electric charge as a result of gaining or losing one or more electrons
Poly-atomic Ion two or more atoms covalently bound together that have an overall positive or negative charge
Ionic Bond a chemical bond formed when oppositely charged ions attract
Covalent bond a bond formed when electrons are shared between two atoms
Surfactant compounds that help polar and non-polar compounds to mix, sometimes called" wetting agents". The polar groups all the surfactants to dissolve in water while the non-polar ones are able to dissolve in the grease
Isomers molecules with the same chemical formula, but different structures and properties
Enzymes proteins that act as a biochemical catalysts, influencing the rates of chemical reactions
macronutrients provide essentially all of the energy and most of the raw material for your body to repair and synthesis. EX: Carbs, fats and protein
Triglycerides molecules that contain three ester functional groups. They are formed from a chemical reaction between three fatty acids and the alcohol glycerol
Fat a triglyceride that is solid at room temp
Oils triglycerides that are liquid
lipids all triglycerides; a class of compounds that include not only triglycerides, but also related compounds
Saturated fatty acid the hydrocarbon chain that contains only one single bond between the Carbon atoms
Unsaturated fatty acids contain one or more C=C double bonds
Monounsaturated fatty acid has only one double bond between carbon atoms
polyunsaturated fatty acid contains more than one double C bond
hydrogenation a process in which H has, in the presence of a metallic catalyst, adds to a C=C double bond and converts it to a single bond
PPM parts per million
PPB parts per billion
1 g 1000 milligram
1000 grams 1 Liter
Moles mass/ molar mass
Molarity moles of solute/ liter of solution
Created by: lilreeves
 

 



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