Namng cable below you wlll find three descrlptions of sclentists engaging In activitles that are part of the sclentifi description missing word? Carl records in his lab notebook the powder In a test tube, the powder melts Into a silvery liquid that welghs less than the original powder. that when he heats a red Antoine develops a idea that most substances will chemically combine with an invisible gas in che atmosphere he calls oxygen. Antoine uses his ideas to explain burning as the combination of a substance with oxygen, and reduction (e.g. during che formation of iron from iron ore) as the splitting of a substance from a chemical combination with oxygen. for chemical reactions based around the ohn analyzes all the known compounds of carbon and oxygen. He finds nd writes down a ombine with 100 g of oxygen in these compounds are always in whole umber ratios (e.g. 2:1 or 3:1). that says the ratio of masses of carbon that
Ideal and Real Gases
Ideal gases obey conditions of the general gas laws under all states of pressure and temperature. Ideal gases are also named perfect gases. The attributes of ideal gases are as follows,
Gas Laws
Gas laws describe the ways in which volume, temperature, pressure, and other conditions correlate when matter is in a gaseous state. The very first observations about the physical properties of gases was made by Robert Boyle in 1662. Later discoveries were made by Charles, Gay-Lussac, Avogadro, and others. Eventually, these observations were combined to produce the ideal gas law.
Gaseous State
It is well known that matter exists in different forms in our surroundings. There are five known states of matter, such as solids, gases, liquids, plasma and Bose-Einstein condensate. The last two are known newly in the recent days. Thus, the detailed forms of matter studied are solids, gases and liquids. The best example of a substance that is present in different states is water. It is solid ice, gaseous vapor or steam and liquid water depending on the temperature and pressure conditions. This is due to the difference in the intermolecular forces and distances. The occurrence of three different phases is due to the difference in the two major forces, the force which tends to tightly hold molecules i.e., forces of attraction and the disruptive forces obtained from the thermal energy of molecules.
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