21. A gas occupies 0.90 L at a temperature of 27°C. What is the new volume at -10.0"C?*

O 1.03 L

0 0.789

O 0.33L

0 -0.33 L

answer

i think the answer is a) as air pressure in an area increases, the density of the gas particles in that area decreases.

hope it

fe 55.85 g/mol and h2o 18.02 g/mol.

it is stable as it is in group 0 which have full outer shells of electrons