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zitterkoph
29.11.2019 •
Physics
If the molecular weight of air is 28.9, what is the density of air at atmospheric pressure and a temperature of 354.5 k? 1 atm = 1.013 × 105 n/m2 , the mass of a proton is 1.67262 × 10−27 kg , avogadro’s number is 6.02214 × 1023 mol−1 and k = 1.38065 × 10−23 n · m/k . answer in units of kg/m3
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Ответ:
0.993 kg/m³
Explanation:
If the molecular weight of air is 28.9, what is the density of air at atmospheric pressure and a temperature of 354.5 K?
We can calculate the density (ρ) of air using the ideal gas equation.
where,
P is the pressure (P = 1.00 atm)
V is the volume
n is the number of moles
m is the mass
M is the molar mass (28.9 g/mol)
R is the ideal gas constant (0.08206 atm.L/mol.K)
T is the temperature (T = 354.5K)
Ответ:
sorry i dk and pls don't repote me
Explanation: