Question

The density of CO2 gas at 1 atm and -9C is
2gdm-3
1gdm-3
0.75gdm-3
0.25gdm-3

Answer 1

Answer:

Carbon dioxide

Names

Molar mass 44.009 g·mol−1

Appearance Colorless gas

Odor Low concentrations: none High concentrations: sharp; acidic

Density 1562 kg/m3 (solid at 1 atm and −78.5 °C) 1101 kg/m3 (liquid at saturation −37 °C) 1.977 kg/m3 (gas at 1 atm and 0 °C)