Atomic Structure and Chemical Laws: Key Discoveries

**Guy-Lussac’s Law**

The French chemist, Guy-Lussac, studied the behavior of gases when their temperature changed. His studies extended to all gases and he found that, regardless of the nature of the gas in question, the behavior was similar. Guy-Lussac’s law, also known as one of the two laws on the expansion of gases, states that the pressure of a gas is directly proportional to its temperature. These studies later led him to investigate the chemical reactions of gaseous substances, discovering

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Economic Impact of World War I: 1919-1929

Imbalances in the Global Economy After World War I

The First World War had profound economic and social effects between 1919 and 1929, including the consolidation of the economic supremacy of the United States.

Consequences of the War

The Great War marked the disarticulation of the economies of the combatant countries, which had oriented their production and economic activity towards war efforts. This resulted in millions of human lives lost, the destruction of infrastructure, and new investment needs.

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Production Theory: Inputs, Outputs, and Costs

Theory of Production: Exercises in Production

1. Production with One Input Variable: Total Output, Average Product, and Marginal Product

The production function is an equation, table, or graph that shows the maximum quantity (q) of a product that can be produced per unit of time for each set of alternative inputs, when using the best available production techniques.

For example, consider an agricultural production curve using different alternative quantities of labor per unit of time to cultivate a

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Industrial Processes: Types, Factors, and Global Distribution

The Industrial Process

The industrial sector is a formal series of activities transforming raw materials into semi-elaborated or elaborated products. Four essential elements intervene: raw materials, energy, labor, and capital.

Industry Types

According to the products obtained, industries can be classified into three major categories:

  • Primary or Basic Industries: Transform raw materials into semi-elaborated products.
  • Capital Goods Industries: Transform semi-elaborated products into finished products.
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Cellular Metabolism: Mitochondria, Redox Reactions, and ATP

Cellular Metabolism and Mitochondria

The cellular metabolism occurs within the mitochondria, often called the “powerhouses” of cells. Here, molecules like glucose are oxidized, breaking down into smaller pieces. During this process, hydrogen atoms (each with an electron and a proton) are released. These electrons are transferred to oxygen, forming water molecules.

Oxidation-Reduction Reactions

Chemical reactions involve energy transformations. Energy stored in chemical bonds is used to form new molecules.

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Vegetation Zones of the Iberian Peninsula and Canary Islands

The Iberian Peninsula belongs to the Holarctic floral kingdom, which includes alpine and boreal areas. This gives rise to two regions: the Euro-Siberian region, encompassing the Cantabrian Mountains, Pyrenees, and some northern and central sectors of the peninsula; and the Mediterranean region. In the Canaries, the representative region is the Macaronesian region.

Factors Influencing Vegetation

Vegetation formations include scrubland, forest, and meadow. Spain boasts great diversity in vegetation

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