A Plot of Ln(vapor Pressure) Versus 1/T for Methanol Gives

question 31

Multiple Choice

A plot of ln(vapor pressure) versus 1/T for methanol gives a straight line with an intercept of 13.6.The enthalpy of vaporization of methanol is

• A) 113 kJ . mol ^{- 1}.
• B) 13.6 kJ . mol ^{- 1}.
• C) 611 kJ . mol ^{- 1}.
• D) 1.64 kJ . mol ^{- 1}.
• E) Not enough information given to calculate.

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Definitions:

Superficial Palmar Arch

A blood vessel network in the palm of the hand that supplies oxygenated blood to the palm and fingers.

Radial

Relating to, or situated near the radius or forearm; in a broader sense, spreading out in all directions from a common center.

Ulnar

Pertaining to the ulna, one of the two long bones in the forearm, or related to areas supplied by the ulnar nerve.

Brachiocephalic Artery

The brachiocephalic artery is a major blood vessel arising from the aortic arch that supplies blood to the right arm and the head and neck.