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The material in a distillation apparatus that is to be distilled.

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Heat Capacity

The amount of heat required to raise the temperature of a body (of any mass) one degree Celsius.

Heterogeneous Equilibria

Equilibria involving species in more than one phase.

Electrochemistry

Study of chemical changes produced by electrical current and the production of electricity by chemical reactions.

Leclanche Cell

A common type of dry cell.

Supersaturated Solution

A solution that contains a higher than saturation concentration of solute, slight disturbance or seeding causes crystallization of excess solute.

Accuracy

How closely a measured value agrees with the correct value.

xylic acid

Any of six colorless, crystalline, isomeric acids having the formula C9H10O2, derived from xylene.

Chemistry of the sky

Chemistry can teach us about the composition of celestial bodies and determine their age.

Saccharic

of or derived from saccharin or a saccharine substance.

 

First Law of Thermodynamics

The total amount of energy in the universe is constant (also known as the Law of Conservation of Energy) energy is neither created nor destroyed in ordinary chemical reactions and physical changes.