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Thermodynamics and heat transfer. Methods of heat transfer and calculation. Heat transfer is
Thermodynamics and heat transfer. Methods of heat transfer and calculation. Heat transfer is

Today we will try to find the answer to the question “Heat transfer is it?..”. In the article, we will consider what this process is, what types of it exist in nature, and also find out what is the relationship between heat transfer and thermodynamics

  • Which metals are not magnetic and why?
    Which metals are not magnetic and why?

    The article provides an explanation of the ferro-, para- and diamagnetic properties of metals based on the structure of the atom and the compensation of magnetic moments. The main patterns of change in the magnetic properties of elements depending on the element's serial number are indicated. Examples of ferro-, para- and diamagnets are given. A list of metals that are not attracted to magnets in everyday life is given. Examples of alloys that are attracted and not attracted to magnets are considered

  • Cysteine: formula and description of the substance
    Cysteine: formula and description of the substance

    The article discusses in detail the chemical structure of the amino acid cysteine. Several options for writing the structural formula of a substance are presented. Two schemes for the formation of tripeptides with the participation of cysteine are presented. Attention is paid to the thiol group. The synthesis of cysteine from methionine is considered. A table of foods with a high content of the substance is given. The biological role of cysteine is described

  • Nitrite ion: physical and chemical properties, formula, preparation
    Nitrite ion: physical and chemical properties, formula, preparation

    The characteristic of the nitrite ion is given. The physical and chemical properties of nitrites, including redox ones, are described. Methods for the qualitative detection of nitrite ions and their quantitative determination by photometry with sulfanilic acid are presented. Examples of obtaining nitrites are given

  • Quantitative analysis is Definition, concept, chemical methods of analysis, methodology and calculation formula
    Quantitative analysis is Definition, concept, chemical methods of analysis, methodology and calculation formula

    Quantitative analysis is a large section of analytical chemistry that allows you to determine the quantitative (molecular or elemental) composition of an object. It is used to determine the composition of ores (to assess the degree of their purification), the composition of soils, plant objects. In ecology, quantitative analysis methods determine the content of toxins in water, air, and soil. In medicine, it is used to detect counterfeit medicines

Interesting articles

What is a diacritic?
What is a diacritic?

Acritics are small characters that many consider to be just an unnecessary gimmick to make the alphabet look more fun. What are these gaps, circles, lights and ponytails, why are they needed and why should we not forget about them?

  • Abandoned military installations. Archive of abandoned objects on the territory of the former USSR
    Abandoned military installations. Archive of abandoned objects on the territory of the former USSR

    After the collapse of the Soviet Union, the young states inherited not only plants and factories, but also abandoned military facilities of the USSR. The economy of many newly formed countries did not allow to pull the maintenance, provision and maintenance of the functioning of these strategically important complexes. Some states simply did not need them and did not consider it necessary to spend huge funds from the federal treasury on this

  • Land ownership provided on the terms of service: the procedure and features of ownership
    Land ownership provided on the terms of service: the procedure and features of ownership

    Earth has always been the subject of numerous disputes and conflicts. It was because of the fertile areas located at the mouths of large rivers that the first wars began. Later, the feudal lords sought to add more and more territories to their possessions, subjugating themselves and their inhabitants

  • How was the development of the Earth by man? Main stages and features
    How was the development of the Earth by man? Main stages and features

    How was the development of the earth by man? It was a very difficult and lengthy process. Even now it cannot be said that our planet has been 100% studied. Until now, there are corners of nature that no man has set foot on

  • Liberal reforms of the 60-70s of the 19th century of the Russian Empire
    Liberal reforms of the 60-70s of the 19th century of the Russian Empire

    I remember Alexander II as an outstanding innovator who carried out liberal reforms in the 60-70s of the 19th century. Historians are still arguing about whether they improved or worsened the socio-economic and political situation in our country. But the role of the emperor is difficult to overestimate. No wonder in Russian historiography he is known as Alexander the Liberator

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  • Composition-reasoning "What is justice?": writing secrets, plan and rules
    Composition-reasoning "What is justice?": writing secrets, plan and rules

    During school years, students have to write a lot of essays. From elementary school, children are taught to do this task correctly. But what to do if writing essays is difficult for a child? Let's learn this together. For example, we use the essay-reasoning "What is justice?" A topic that often comes up in elementary school

  • Composition on the topic "Strong Man": how to write, tips and tricks
    Composition on the topic "Strong Man": how to write, tips and tricks

    Before mastering the knowledge of the Russian language, the student needs to learn how to write essays. Children perform such tasks from elementary grades, therefore, in order to cope with the problems that may arise, it is necessary to understand how to write such works correctly. For example, consider an essay on the topic "Strong Man"

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Ideal monatomic gas. formula for internal energy. Problem solving
Ideal monatomic gas. formula for internal energy. Problem solving

Studying the properties and behavior of an ideal gas is the key to understanding the physics of this area as a whole. In this article, we will consider what the concept of an ideal monatomic gas includes, what equations describe its state and internal energy. And also solve a couple of problems on this topic

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