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Lab Final
N/A
39
Chemistry
Undergraduate 1
11/17/2009

Additional Chemistry Flashcards

 


 

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Term
Titration
Definition
Analytical technique where a reaction is carried out with the controlled addition of one reactant to another until both are consumed.
Term
Indicator
Definition
Dye that changes color depending on composition of a solution in which it is placed.
Term
Endpoint
Definition
When the titration has ended, indicated through a color change.
Term
Equivalence Point
Definition
Point at which the titrant has completely reacted with the reactant.
Term
Neutralization Reaction
Definition
Acid-Base Reaction
Term
Primary Standard
Definition
Compound that has a relatively high molar mass and is readily available at a low cost and high purity.
Term
Secondary Standard
Definition
Lacks at least one criteria to be a primary standard.
Term
Titrant
Definition
Solution delivered in incremental amounts from the burette.
Term
% (m/m)
Definition
Pass of part/total mass x 100%
Term
Vitamin C
Definition
Soluble weak acid predominantly as an aqueous molecule in a solution. (HC6H7O6)
Term
Basic
Definition
Containing excess OH-
Term
Electromagnetic Radiation
Definition
Radiant energy that exhibits wavelike behavior and travels through space at the speed of light in a vacuum.
Term
Wavelength
Definition
Distance between two consecutive identical points on a wave.
Term
Frequency
Definition
Number of waves that pass a given point in a second.
Term
Photon
Definition
Particle of light.
Term
Planck's Constant
Definition
Constant that relates energy of a photon to the photon's frequency. (6.626e-34 J*s/photon)
Term
Spectrometer
Definition
Device for measuring light.
Term
Accuracy
Definition
How close the measurement comes to its true value.
(Agreement of a particular value to the true value.)
Term
Precision
Definition
Degree of agreement among several elements of the same quantity.
Term
Meniscus
Definition
Curved liquid in a glass tube that can be convex or concave.
Term
Volume by Displacement
Definition
Determining the volume of an object by measuring the difference in volume of a liquid it is placed in.
Term
Best Straight Line
Definition
Line describing a trend in a data set.
Term
Density
Definition
Property of matter representing mass pre unit volume.
Term
Chemical Property
Definition
A property that changes a substances identity.
Term
Physical Property
Definition
A property that can be observed without changing the substances identity.
Term
Solubility
Definition
Ability of a solid to dissolve in a liquid.
Term
Malleability
Definition
Degree to which shaping is possible.
Term
Conductivity
Definition
Ability of a solution to conduct electricity.
Term
Electrolyte
Definition
Solid that generates ions when dissolved in water.
Term
pH
Definition
Measure of acidity of a solution.
Term
Starch Test
Definition
Test that determines if a sample contains starch by turning the sample blue/black.
Term
Hydrate
Definition
Salts that contain water molecules in its crystal structure.
Term
Dehydration
Definition
Process in which salts lose their water molecules through heating, leaving an anhydrous salt.
Term
Anhydrate
Definition
Salt that had lost its water molecules.
Term
Crucible
Definition
Porcelain container used in high-temperature heating.
Term
Precipitate
Definition
Solid that forms in a solution by combining insoluble cations and anions.
Term
Alum
Definition
A specific type of ionic compound with two types of metal cations and anions.
Term
Filtration
Definition
Process used to separate components of a mixture into a solid and liquid.
Term
Filtrate
Definition
Liquid remaining after filtration.
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