Hydroquinone is an antioxidant that is also used as a photographic reducer and developer. The normal boiling point of hydroquinone is 310°C. Calculate the pressure at which hydroquinone will boil at 200°C given that its ΔHvap is 73.38 kJ/mol.
A. 1.210 × 10-4mm Hg
B. 1.35 mm Hg
C. 22.5 mm Hg
D. 757 mm Hg
Answer:C
Hydroquinone is an antioxidant that is also used as a photographic reducer and developer. The normal boiling point of hydroquinone is 310°C. Calculate the pressure at which hydroquinone will boil at 200°C given that its ΔHvap is 73.38 kJ/mol.
A. 1.210 × 10-4mm Hg B. 1.35 mm Hg C. 22.5 mm Hg D. 757 mm Hg