Determine the density of oxygen at a temperature of 47C and a pressure of 500 10 ^ 3 Pa.
| March 2, 2021 | education
47 ° C = 320 K;
M (O2) = 32 g / mol;
To find the gas density, we use the Mendeleev-Clapeyron equation. Let’s transform it as follows:
PV = nRT = (mRT) / M
m / V = (PM) / (RT);
By definition:
ρ = m / V;
ρ = (PM) / (RT) = (500000 * 32) / (8.314 * 320) = 6013 g / m3 = 6.013 kg / m3.
Answer: ρ = 6.013 kg / m3.
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