What is the pressure in a 5.00 L tank with 4.75 moles of oxygen at 39.3 degrees Celsius

P = 24.34 atm

Explanation:

V = 5.0L

P = ?

n = 4.75 moles

T = 39.3°C = (39.3 + 273.15)K = 312.45K

From ideal gas equation,

PV = nRT

P = pressure of the gas

V = volume of the gas

n = no. Of moles present

R = ideal gas constant = 0.082atm.L / mol.K

PV = nRT

P = nRT / V

P = (4.75 * 0.082 * 312.45) / 5

P = 121.699 / 5

P = 24.339 atm

P = 24.34 atm

The pressure of the gas is 24.34 atm

alkaline metals are lithium, sodium, rubidium, potassium, cesium and francium.

alkali metals have electronegativity from 0.7 to 1, lowest in periodic table of elements, which means that alkali metals (i group in periodic table) has positive oxidation number in compounds.

electronegativity is a chemical property that describes the tendency of an atom to attract a shared pair of electrons towards itself.

alkaline metals (far left in main group) have lowest ionizations energy and easy remove valence electrons,

for example, potassium is the alkali metal and has a single valence electron in the outer electron shell.

electron configuration of potassium is: ₁₉k 1s²2s²2p⁶3s²3p⁶4s¹.

they can not exist alone in nature, because they are very reactive.

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