A 20,000 L tank of ethylene oxide is formed at 748 kPa and 525 K, the gas is cooled to 293 K. The size of the tank has not changed. The new pressure is ____ kPa After 20,000 L of ethylene oxide at 748 kPa and 525 K is cooled to 293 K , it is transferred to a 110,000 L tank. The new pressure is ___ kPa If methane at a pressure of 3.2 atm and at 21° C is introduced into a weak 2.0 L container which increases in size to 2.5 L , the gas must be heated to ____ ° C to increase the pressure to 5 atm. A sample of sulfur dioxide occupies a volume of 652 mL at 40° C and 720 mm Hg. At STP, sulfur this sample of sulfur dioxide will occupy a volume of ___ mL The initial temperature of a 1.00 liter sample of argon is 20.0° C. The pressure is decreased from 730 mm Hg to 360 Hg and the volume increases to 2.14 liters. The final temperature of the argon gas is ___ K.
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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