While mercury is very useful in barometers, mercury vapor is toxic. Given that mercury has a ΔHvap of 59.11 kJ/mol and its normal boiling point is 356.7°C, calculate the vapor pressure in mm Hg at room temperature, 25°C.
A. 2.68 × 10-3mm Hg
B. 2.99 mm Hg
C. 372 mm Hg
D. 753 mm Hg
Answer:A
While mercury is very useful in barometers, mercury vapor is toxic. Given that mercury has a ΔHvap of 59.11 kJ/mol and its normal boiling point is 356.7°C, calculate the vapor pressure in mm Hg at room temperature, 25°C.
A. 2.68 × 10-3mm Hg B. 2.99 mm Hg C. 372 mm Hg D. 753 mm Hg