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Essay / Physical and chemical changes represented in the ideal gas laws
Table of contentsIntroductionExploring Charles' lawDefining Boyle's lawThe volume of gases in Avogadro's lawUnderstanding physical and chemical changesConclusionWorks citedIntroductionThe ideal gas law, also known as the name general condition of gases, is the condition of a hypothetical perfect gas. This is a reasonable driving judgment in favor of many gases in many conditions, despite the fact that it has some confinements. We know that there are three ideal gas laws: Charles's law, Boyle's law and Avogadro's law; in which all will later regroup in General Gas. Reading Chapter 9 Introduction to Chemistry, it talks about physical changes. Chapter 9 not only talks about physical and chemical changes, the state of matter and, last but not least, kinetic molecular theory. Say no to plagiarism. Get a tailor-made essay on “Why Violent Video Games Should Not Be Banned”? Get the original essayExploring Charles' LawCharles' law of ideal gases is named after Jacques Charles. It was Jacques Charles who formulated the original law. An ideal gas can be defined as a theoretical gas composed of molecules on which no forces act except when colliding with each other. The walls of the container are those in which the gases are enclosed. It is a gas that perfectly follows Boyle's law. Jacques Charles, the French physicist (1746-1823), studied the effect of temperature on the volume of a gas at constant pressure. Charles' law is an experimental gas law that describes how gases tend to expand when heated (it is also known as the volume law). When the pressure on a dry gas sample is held constant, the Kelvin temperature and volume will be in direct proportion. This law applies to ideal gases held at a constant pressure, where only the volume and temperature can change. So we could say that Charles' Law describes how hot air balloons become light enough to take off, why a temperature inversion prevents convection currents in the atmosphere, and how a gas sample can function as an absolute thermometer. Charles Law's formula is V/T = k, where V is the volume of gas, T is the temperature of the gas (measured in kelvins), and k is a constant. According to this formula, at fixed pressure, the volume of a gas is proportional to the temperature of the gas. As the temperature increases, the volume of the gas also increases. There are many fun facts about Charles' Law that people might find interesting, such as: Air conditioners and fans work according to Charles' Law. Warm air rises and cold air sinks. Fans work by rotating the air, while air conditioners also give off a blast of cold air from the compressed coolant. Breads and cakes also use Charles' ideal gas law. The carbon dioxide trapped in the fermented dough expands during baking and produces soft breads and cakes. If you store spray cans and deodorants in the sun, they may burst. Compressed gases expand when the temperature inside the cans increases. Steam engines and car combustion engines also work on the principle that gases expand as temperature increases. Charles' law is used to apply mechanical movements in these motors. Definition of Boyle's Law The second ideal gas law is Boyle's law. Robert Boyle was one of the most influential chemists of the 17th century. Boyle's lawguessed the sponginess of gases in 1660. The gas law is sometimes called Mariotte's law or Boyle-Mariotte law because the French physicist Edme Mariotte independently discovered the same law in 1679. It was one of the which I was not aware of. regarding Boyle's law. There is more than one way to express the law as an equation. The simplest equation is: PV = k, where P is pressure, V is volume and k is a constant. Boyle discovered that air has weight and exerts pressure, which led him to believe that it is made of tiny particles. In volume two of this work, he published Boyle's law, stating that the volume of a gas varies inversely with the pressure of the gas. During his investigations, he observed “At a fixed temperature, the volume of a gas is inversely related to the weight applied by the gas. » A chamber with a bottle and a gas is immersed in a shower (eg water). The reason for the shower is to have a prepared heat source to keep the gas temperature constant throughout the analysis. A mass is placed on the cylinder which exerts weight on the gas. The gas volume is estimated and the information point 1/V versus P is plotted. The mass is enlarged and the new information point 1/V versus P is plotted. This takes place in several large masses. To perceive what is happening, place the mouse cursor over the image. According to Boyle's law, there is an inverse relationship between pressure and volume. Boyle's Law can be more easily explained to some with the human body. For example, if we apply the way people breathe in and exhale air. As the diaphragm expands and contracts, the volume of the lungs increases and decreases, changing the pressure of the air inside. The difference in pressure between the inside of the lungs and the outside air produces either inspiration or expiration. The volume of gas in Avogadro's law Avogadro's law is the third ideal gas law. Amedeo Avogadro is best known for his hypothesis that equal volumes of different gases contain equal numbers of molecules, provided they are at the same temperature and pressure. His hypothesis was rejected by other scientists. It was only after his death that it was accepted. Eventually proven correct, this hypothesis became known as Avogadro's law, a fundamental law of gases. Avogadro believed that simple gases were not formed from solitary atoms but were rather molecules composed of two or more atoms. (Avogadro did not actually use the word atom; at the time, the words atom and molecule were used almost interchangeably. His law studies the relationship between the amount of gas (n) and the volume (v). C is a direct relationship, i.e. the volume of a gas is directly proportional to the number of moles of the gas sample present. The constants in this relationship would be temperature (t) and pressure (p). ).The equation for this law is: n1/v1 = n2/v2 The law is important because it saves us time and money in the long run Methanol is a versatile chemical that can be. used in fuel cell production and biodiesel manufacturing processes. In the industrial synthesis of methanol, knowing the temperature and pressure makes the task easier for experts to calculate molar quantities allowing a good estimation of the stoichiometric relationships in. the system, Avogadro said: “My studies in natural sciences have particularly involved that part of physics which is concerned with the atomic world: the properties of molecules, the forces involved in their formation. movement, heat capacity of different substances, expansion of gases by..