energija aktivacije

Izuzetno osjetljiva tehnika analize količina u tragovima elementa u uzorku. Uzorak se bombardira neutronima u nuklearnom reaktoru, čineći ga radioaktivnim. Različiti elementi ...

slobodna energija

Chimie; Chimie în general

Energy that is actually available to do useful work. A decrease in free energy accompanies any spontaneous process . Free energy does not change for systems that are at ...

potencijalna energija

Chimie; Chimie în general

The energy an object has because of its composition or position.

isparljiv

Chimie; Chimie în general

A solid or liquid material that easily vaporizes. A material with a significant vapor pressure .

abraziv

Chimie; Chimie în general

A very hard, brittle, heat-resistant substance that is used to grind the edges or rough surfaces of an object. boron carbide, diamond, and corundum are abrasives.

diastereoizomer, diastereomer

Chimie; Chimie în general

Stereoisomers which are not mirror images of each other. Diastereomers are chemically similar but distinguishable; they have different melting points and boiling points and they ...

medicinska hemija

Chimie; Chimie în general

A branch of chemistry concerned with the discovery, design, synthesis , and investigation of biologically active compounds and reactions that these compounds undergo in living ...

slab elektrolit

Chimie; Chimie în general

A weak electrolyte is a solute that incompletely dissociates into ions in solution. For example, acetic acid partially dissociates into acetate ions and hydrogen ions, so that ...