Portable Lanterns and Stoves Used for Camping Often Use a Mixture

question 19

Multiple Choice

Portable lanterns and stoves used for camping often use a mixture of hydrocarbons for fuel. One such hydrocarbon is an alkane called n-pentane. These lanterns and stoves are often difficult to light on a cold day because the fuel has a low vapor pressure at low temperatures. Determine the vapor pressure of n-pentane on a night when the temperature is 0.0°C. The enthalpy of vaporization of n-pentane is 27.6 kJ/mol, and its boiling point is 36.0°C.

• A) 228 torr
• B) 367 torr
• C) 184 torr
• D) 479 torr
• E) 209 torr

---

Definitions:

Scientific Management

A theory of management that analyzes and synthesizes workflows, with the objective of improving labor productivity.

Conception And Execution

Relates to the process of forming an idea or plan (conception) and then carrying it out or making it a reality (execution).

Rational-Legal Authority

A concept in sociology that denotes a form of leadership in which authority is largely tied to legal rationality, legal legitimacy, and bureaucracy.

Bureaucratic Structure

An organizational design characterized by a hierarchy of authority, a clear division of labor, explicit rules and procedures, and impersonality in managerial decisions.