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The amount of water that would absorb the same amount of heat as the calorimeter per degree temperature increase.

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Dispersing Medium

The solvent-like phase in a colloid.

Standard Entropy

The absolute entropy of a substance in its standard state at 298 K.


A piece of volumetric glassware, usually graduated in 0.1-mL intervals, that is used to deliver solutions to be used in titrations in a quantitative (dropwise) manner.

Standard Molar Volume

The volume occupied by one mole of an ideal gas under standard conditions, 22.4liters.

Activity Series

A listing of metals (and hydrogen) in order of decreasing activity.

Theoretical Yield

Maximum amount of a specified product that could be obtained from specified amounts of reactants, assuming complete consumption of limiting reactant according to only one reaction and complete recovery of product.

Percentage Ionization

The percentage of the weak electrolyte that ionizes in a solution of given concentration.

Unsaturated Hydrocarbons

Hydrocarbons that contain double or triple carbon-carbon bonds.

Rate-determining Step

The slowest step in a mechanism, the step that determines the overall rate of reaction.

Reversible Reaction

Reactions that do not go to completion and occur in both the forward and reverse direction.