Is CO2 1.5 times heavier than air?
Is CO2 1.5 times heavier than air? Safety advice. Carbon Dioxide. Physical Properties Gaseous state: at normal temperature (+15 °C) and atmospheric pressure, CO2 has a density of 1.87 kg/m3, is 1.5 times heavier than air and spreads along the ground collecting in low-lying areas such as pits and cellars.
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