A Sample of Helium Has a Volume of 2 $\degree$ CIf the Volume Is Increased to 20

question 74

Multiple Choice

A sample of helium has a volume of 2.275 L at 10.25 atm and 30.0 $\degree$ C.If the volume is increased to 20.39 L and the temperature decreases to -20.0 $\degree$ C, what pressure does the gas exert?

• A)1.37 atm
• B)0.730 atm
• C)0.136 atm
• D)(-0.762 atm)
• E)0.955 atm

Identify the total fertility rate and its importance in population stability.

Analyze historical perspectives on population and economic theories.

Understand the role of technology and efficiency in resource use.

Explain the concept of demographic transition and its impact on population dynamics.

---

Definitions:

Type A Personality

A personality characterized by high levels of competitiveness, self-drive, impatience, and a constant sense of urgency.

Type B Personality

A personality type described as more relaxed, less competitive, and less stressed compared to Type A personality.

Epinephrine

A hormone and neurotransmitter, also known as adrenaline, involved in regulating heart rate, blood vessel and air passage diameters.

Norepinephrine

A neurotransmitter and hormone important in the body's response to stress, it plays a role in mood regulation, alertness, and the fight-or-flight response.