Images IV O2

< Previous image
Image - 32
Next image >
Iv o2. Cr2o3+h2=CR+h20. CR h2o cr2o3 h2. CR+2h=CR+h2. H2cr.
Cr2o3+h2=CR+h20. CR h2o cr2o3 h2. CR+2h=CR+h2. H2cr.

See also