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The pressure is a widely used quantity; it is found in physics, chemistry, engineering, and biology. Because of the wide usage of pressure, it has adopted various units to express it. And it is necessary for us to know the relationship between various units of pressure.
The mole is a unit of measurement. It is one of the seven fundamental SI base units, others are the kilogram, the second, the metre, the ampere, the kelvin, the candela. The mole is the SI unit of amount of substance. The approximate value of one mole of any substance is 6.022 × 1023. The symbol mol is used to denote it.
To maintain consistency in SI units, the International System of Units has adopted specific rules and style conventions for writing SI units. General rules for writing SI units were first specified by the 9th CGPM in 1948. Later, various international bodies like ISO extended these rules. These rules are very important in scientific writing. Adherence to these rules is strictly recommended while submitting and reviewing a manuscript. The general guidelines are described below.
The SI stands for the International System of Units or Le Systeme International d’Unités (in French). It is the modern system of measurement. The article lists some of them.
The International System of Units or in short SI (in French Le Systeme International d’Unités) is the currently accepted system of measurement. It originated from France. The SI was established in 1960 by the 11 CGPM (General Conference on Weights and Measures or Conférence Générale des Poids et Mesures in French). The SI system is the updated version of the metric system. It is presently accepted worldwide; though, certain countries like the USA still follows traditional English units. The SI system includes the seven base units, names of 22 derived units, and a set of prefixes.
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