What is the Mass

What mass we designate the physical magnitude with which we measure the amount of matter that a body contains. As such, its unit, according to the International System of Units, is the kilogram (kg).

What mass is also called the thick mixturesoft and consistent, made with liquid and one or more flours, widely used to prepare foods such as bread, cake, tamales, etc.

In a generic way, mass can refer to a allshaped as a set or as a gathering of things considered in bulk: mass of products, mass of people, etc.

In this sense, it can refer to a set of people or to one crowd. The sociologyfor example, uses the concept of mass as opposed to community or society. According to this, the first would refer to a group of people without order or concert, while the second would refer to a group of people governed according to an order.

The word massas such, comes from the Latin massaand this in turn from the Greek μᾱζα (mádza), which referred to a type of cake made with flour.

Atomic mass

In ChemistryWhat atomic mass is called the mass of an atom. The mass of an atom, for its part, is the sum of the masses of the protons and neutrons that make it up. In this sense, it will vary in the different isotopes. Its unit of measurement is the atomic mass unit or AMU (u), or the Dalton (Da), both being equivalent.

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molar mass

The molar mass, as such, is the mass of one mole of a substance, or, in other words, it is the physical property of a compound that expresses the constant relationship between the mass and the amount of substance that characterizes every sample of substance. It is expressed in kilograms per mole (kg/mol) or grams per mole (g/mol).

See also Molar mass.

Molecular mass

In Chemistrythe molecular mass It is one that indicates the mass of a molecule of a substance. As such, it is obtained by adding all the atomic weights involved in the molecular formula of a compound. It is measured in atomic mass units or AMU (u), or Dalton units (Da), both being equivalent

inertial mass

What inertial mass either inert mass It is called that physical magnitude that indicates the resistance or opposition offered by a body to a change of speed.

Body mass

The body mass of a person is determined by a formula known as body mass index (BMI), also known as the Quételet formula, created by the mathematician and statistician Adolphe Quételet to determine, considering a series of variables, the ideal weight and nutritional level of people. In this sense, the body mass index o BMI will be the individual’s mass (weight in kilograms), divided by the subject’s height (expressed in meters) squared: BMI = mass ÷ height2.

See also Kilogram.

The suitability of the value obtained will vary in consideration of the person’s age, the amount of fat or muscle tissue they have, etc. According to this formula, the individual is underweight if the result obtained from the equation is less than 18.5; It is within the parameters of a normal weight if it is between 18.5 and 24.99, and it will be considered overweight from the age of 25.

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See also: Weight, Magnitude, and Intensive and Extensive Properties of Matter.