Multiple Choice
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 × 10-4 mm Hg
B) 1.35 mm Hg
C) 22.5 mm Hg
D) 757 mm Hg
Correct Answer:

Verified
Correct Answer:
Verified
Q20: Ethyl chloride,C<sub>2</sub>H<sub>5</sub>Cl,is used as a local anesthetic.It
Q21: Use the diagram below to answer the
Q22: The highest coordination number for spherical packing
Q23: When a narrow diameter glass tube is
Q24: Identify the packing in the figure shown
Q26: What phase changes occur when the temperature
Q27: From the plot of vapor pressure as
Q28: Aluminum has a face-centered cubic structure and
Q29: The coordination number of each atom in
Q30: While mercury is very useful in barometers,mercury