Without doing any detailed calculations (but using a periodic table to give atomic weights), rank the following samples in order of increasing numbers of atoms: 0.50 mol H2O, 23 g Na, 6.0⨉1023 N2 molecules.
Ch.3 - Chemical Reactions and Reaction Stoichiometry
Chapter 3, Problem 34
How does this compare with the gross domestic product (GDP) of the United States, which was $17.419 trillion in 2015? (The GDP is the total market value of the nation’s goods and services.)

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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Gross Domestic Product (GDP)
Gross Domestic Product (GDP) is a key economic indicator that measures the total market value of all final goods and services produced within a country in a specific time period, typically annually. It reflects the economic performance and health of a nation, providing insights into its size and growth rate. GDP can be calculated using three approaches: production, income, and expenditure, each offering a different perspective on economic activity.
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Market Value
Market value refers to the total worth of a company's or country's goods and services as determined by the prices at which they are sold in the marketplace. In the context of GDP, it emphasizes the importance of pricing in calculating economic output, as it aggregates the value of diverse products and services into a single monetary figure. Understanding market value is crucial for interpreting GDP figures and comparing economic performance across different nations.
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Economic Comparison
Economic comparison involves analyzing and contrasting economic indicators, such as GDP, between different countries or over time to assess relative performance and growth. This process can highlight disparities in economic health, productivity, and living standards. By comparing GDP figures, one can draw conclusions about economic trends, policy effectiveness, and the overall well-being of a nation's population.
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