extensive property
简明释义
外延性质
英英释义
An extensive property is a physical quantity that depends on the amount of matter in a sample, such as mass, volume, and total energy. | 广延性属性是依赖于样本中物质数量的物理量,如质量、体积和总能量。 |
例句
1.The total energy of a system is an extensive property 广延性属性 that can be calculated by summing the energies of its parts.
系统的总能量是一个extensive property 广延性属性,可以通过将其各部分的能量相加计算得出。
2.When analyzing a chemical reaction, we consider the number of moles as an extensive property 广延性属性 that influences the outcome.
在分析化学反应时,我们认为摩尔数是一个extensive property 广延性属性,它影响结果。
3.Mass is an extensive property 广延性属性 that increases when more material is added to a system.
质量是一个extensive property 广延性属性,当向系统中添加更多材料时会增加。
4.In thermodynamics, temperature is not an extensive property 广延性属性 because it does not depend on the amount of substance present.
在热力学中,温度不是一个extensive property 广延性属性,因为它不依赖于物质的量。
5.Volume is considered an extensive property 广延性属性 since it scales with the amount of substance in a container.
体积被视为一个extensive property 广延性属性,因为它与容器中的物质量成比例。
作文
In the study of physical sciences, particularly in thermodynamics and material science, properties of substances are categorized into two main types: intensive properties and extensive property (广延性属性). Understanding these properties is crucial for scientists and engineers as they describe different characteristics of materials under various conditions.An extensive property (广延性属性) is a property that depends on the amount of matter present in a system. This means that if you were to divide a substance into smaller parts, the extensive property (广延性属性) of each part would be proportional to its size. Common examples of extensive properties (广延性属性) include mass, volume, and total energy. For instance, if you have a block of ice weighing 10 kilograms, it has a certain volume. If you were to cut the ice into two equal pieces, each piece would weigh 5 kilograms and occupy half the original volume. This illustrates how the extensive property (广延性属性) of volume changes with the quantity of the material.On the other hand, intensive properties do not depend on the amount of matter. These properties remain constant regardless of the size of the sample. Examples of intensive properties include temperature, density, and boiling point. For instance, if you take a cup of water and a bucket of water, both will have the same temperature if they are at thermal equilibrium, despite their different volumes. This distinction between intensive and extensive properties (广延性属性) is fundamental in understanding how substances behave under different conditions.The concept of extensive properties (广延性属性) is also essential in the field of chemistry. When performing chemical reactions, the quantities of reactants and products can be described using extensive properties (广延性属性). For example, in a reaction where hydrogen gas reacts with oxygen gas to produce water, the mass of the reactants must equal the mass of the products, illustrating the conservation of mass, which is an extensive property (广延性属性).In engineering applications, understanding extensive properties (广延性属性) is vital for designing systems and processes. For example, in the design of a heat exchanger, engineers must calculate the total heat transfer, which is an extensive property (广延性属性) that depends on the mass flow rates and specific heat capacities of the fluids involved. Accurate calculations ensure the efficiency and effectiveness of thermal systems.Moreover, in environmental science, extensive properties (广延性属性) play a significant role in assessing resources. For instance, when estimating the volume of water in a reservoir, the measurement is an extensive property (广延性属性) because it directly relates to the amount of water present. Such assessments are crucial for water resource management and sustainability efforts.In conclusion, the understanding of extensive properties (广延性属性) is fundamental in various scientific and engineering disciplines. By recognizing how these properties differ from intensive properties, we can better analyze and predict the behavior of materials and systems. Whether in chemistry, physics, or engineering, the implications of extensive properties (广延性属性) are vast and essential for practical applications in our world.
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