"A Diamond Is Forever" Is One of the Most Successful

question 65

Multiple Choice

"A diamond is forever" is one of the most successful advertising slogans of all time. But is it true? For the reaction shown below, calculate the standard free energy change at 298K and determine whether or not a diamond is "forever". C(diamond)  C(graphite)
Data: H_f°(diamond) = 1.895 kJ/mol; S°(diamond) = 2.337 J mol^-1 K^-1;
S°(graphite) = 5.740 J mol^-1K^-1.

• A) .  G° = 2.19 kJ; forever
• B) .  G° = -1.90 kJ; not forever
• C) .  G° = -2.90 kJ; not forever
• D) .  G° = 1.90 kJ; forever
• E) .  G° = < -1000 kJ; not forever

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Definitions:

Periphery

In the context of world systems theory, refers to countries that are less developed, often exploited for their resources by more developed core countries, and have weaker economic and political systems.

Population Growth

Population growth refers to the increase in the number of individuals in a population, often measured by the natural rate of birth minus deaths, as well as migration factors.

Economic Development

The process by which the overall health, well-being, and academic level of a nation or region is improved through industrial, political, and social changes.

Birthrates

are statistical measures showing the number of live births per 1,000 people in a population over a given period of time, reflecting fertility trends.