Term | Definition |
Analytical Chemistry | The area of chemistry that focuses on the composition of matter |
Biochemistry | The area of chemistry that focuses on processes that take place in organisms |
Chemistry | The study of the composition of matter and the changes that matter undergoes |
Inorganic Chemistry | The study of substance that, in general do not contain carbon |
Matter | Anything that has mass and occupies space |
Organic Chemistry | The study of compounds containing carbon |
Physical Chemistry | The area of chemistry that deals with the mechanism, the rate and the energy transfer that occur when matter undergoes a change |
Absolute Zero | The zero point on the Kelvin temperature scale equivalent to -273.15c |
Accuracy | The closeness of a measurement to the value of what is being measured |
Density | The ratio of mass of an object to its volume |
Gram | A metric mass unit equal to the mass of 1cm3 of water at 4 degree celsius |
International System of units (SI) | The revised version of the metric system, adopted by international agreement in 1960 |
Kilogram | The mass of 1 liter of water at 4 degree celsius it is the basic unit of mass in SI |
Liter | The volume of a cube measuring 10 centimeter on edge (1000cm3) its common unprefixed unit of volume in the metric system |
Percent Error | The percent that a measured value differs from the accepted value |
Precision | Describes the closeness, or reproducibility of a set of measurements |
Significant Fiqures | All the digits that can be known precisely in a measurements plus a last estimated digit |
Temperature | A measure of the average kinetic energy of particles in matter; temperature determines the directions of heat transfer |
Weight | A forces that measures the pull of gravity on a given mass |