H2O + 2 CrO3 → H2Cr2O7
Reactants:
- H2O – Water, oxidane

- Other names: Water (H2O)
, Hydrogen hydroxide (HH or HOH)
, Hydrogen oxide
Dihydrogen monoxide (DHMO) (systematic name)
, Hydrogen monoxide
, Dihydrogen oxide
, Hydric acid
, Hydrohydroxic acid
, Hydroxic acid
, Hydrol
, Μ-oxido dihydrogen
, Κ1-hydroxyl hydrogen(0) 
- Appearance: White crystalline solid, almost colorless liquid with a hint of blue, colorless gas

- CrO3 – Chromium trioxide


- Other names: Chromic anhydride


, Chromium(VI) oxide
, Chromic acid (misnomer)
Chromium(vi) oxide
, Chromic trioxide 
, [CrO3]
, Anhydride chromique
, Chromic oxide
, Monochromium trioxide
, CrO3
, Red oxide of chromium
, Chromic acid 
- Appearance: Dark red granular solid, deliquescent
; Odourless dark red deliquescent crystals, flakes or granular powder 
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