Respuesta :
The mole of a gas is therefore =4×10⁻⁴mol
What is mole?
One typical sort of skin development is the mole (nevi).They are frequently caused by clusters of pigment-forming cells and appear as tiny, dark brown dots (melanocytes). Most people have between 10 and 40 moles, which typically occur between the ages of 10 and 40 and may change or vanish over time. The mole (symbol: mol) is the unit of material quantity used by the International System of Units. The amount of a substance determines how many elementary entities of that substance are present in an object or sample. The mole must contain precisely 6.022140761023 elementary entities.
Is a mole a cancer and what are causes?
Despite the fact that common moles are not dangerous, individuals who have more than 50 of them have a higher risk of acquiring melanoma (1). If a person notices any of the following changes in a common mole, they should inform their doctor (2): The hue shifts.
Melanocytes are the cells that produce the pigment that gives skin its natural color. Moles may darken following sun exposure, in adolescence, and during pregnancy.
Briefing:
P=2K
V=50cm³
Change in dm³
=0.5dm³
T=16c
Change in Kelvin
=16+273
=289K
R=8.31mol
n=PV/RT
=2×0.5/8.31×289
=0.0004
=4×10⁻⁴ mol
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