The Solvent Diethyl Ether Can Be Mixed with Water but Only

question 99

Multiple Choice

The solvent diethyl ether can be mixed with water but only by shaking the two liquids together. After the shaking is stopped, the liquids separate into two layers, much like oil and vinegar. The free-base form of the alkaloid caffeine is readily soluble in diethyl ether but not in water. Suggest what might happen to the caffeine of a caffeinated beverage if the beverage was first made alkaline with sodium hydroxide and then shaken with some diethyl ether.

• A)The water layer would turn a pink color indicating an alkaline pH.
• B)The caffeine would transform into the free base and become more soluble in the diethyl ether.
• C)The caffeine would transform into the free acid and transfer into the diethyl ether.
• D)The diethyl ether and water would mix into one layer.

Identify the spontaneous and non-spontaneous sources of financing.

Interpret the impact of capital intensity and operational capacity on financial needs.

Understand how financial planning aids in setting goals and ensuring internal consistency.

Comprehend the significance of planning for both spontaneous and planned financial needs.

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Definitions:

Evolved Preference

Preferences or inclinations shaped by evolutionary processes that have become hardwired into the human psyche, often related to survival or reproduction.

Cultural Phenomenon

Events, practices, or objects that are widely recognized and significant within a particular culture or society.

Individual Differences Variable

A variable that captures the variations among individuals in their behaviors, traits, or characteristics.

Reinforcement Theory

A theory in psychology that suggests that behavior is motivated by its consequences, with positive outcomes encouraging the behavior and negative outcomes discouraging it.