Chemistry Terms - T

14 cards·by tiffreja

termschemistryvocabsciencevocabulary

Talc

a mineral representing the one on the Mohs Scale and composed of hydrated magnesium silicate with the chemical formula H2Mg3(SiO3)4

Temperature

the average energy of microscopic motions of particles

Theory

a model describing the nature of a phenomenon

Thermal conductivity

a property of a material to conduct heat (often noted as k)

Thermochemistry

the study of absorption/release of heat within a chemical reaction

Thermodynamics

the study of the effects of changing temperature, volume or pressure (or work, heat, and energy) on a macroscopic scale

Thermodynamic stability

when a system is in its lowest energy state with its environment (equilibrium)

Thermometer

device that measures the average energy of a system

Titration

the process of titrating one solution with another, also called volumetric analysis

Torr

a unit to measure pressure (1 Torr is equivalent to 133.322 Pa or 1.3158×10^−3 atm

Transition metal

elements that have incomplete d sub-shells, but also may be referred to as the d-block elements

Triple bond

the sharing of three pairs of electrons within a covalent bond (example N2)

Triple point

the place where temperature and pressure of three phases are the same (Water has a special phase diagram)

Tyndall effect

the effect of light scattering by colloidal (mixture where one substance is dispersed evenly through another) or suspended particles