A Mixture of Cyclopropane Gas (C₃H₆) and Oxygen (O₂) in a 1.00

question 30

Multiple Choice

A mixture of cyclopropane gas (C₃H₆) and oxygen (O₂) in a 1.00 to 4.00 mole ratio is used as an anesthetic. What mass of cyclopropane gas is present in a 2.00 L flask at 23.5°C if the total pressure of the oxygen and propane is 1.00 atm? (The molar mass of C₃H₆ is 42.078 g/mol.)

• A)0.69 g
• B)3.45 g
• C)2.76 g
• D)6.83 mg
• E)8.73 g

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Definitions:

Grandmother Hypothesis

A theory positing that the presence and assistance of post-menopausal women, especially grandmothers, can significantly increase the survival rates of their grandchildren, thereby influencing human evolution.

Life-history Hypothesis

A theory that explains how natural selection operates on traits that affect an organism's life cycle, such as reproductive timing, growth, and survival.

Mean Reproductive Spans

The average duration between an individual's first and last reproductive events within a population.

Fitness Payoffs

Benefits in terms of reproductive success or survival that result from a specific trait or behavior in an organism, central to the concept of natural selection.