Whid Not yet answered gases has the lowest rate of effusion? hydrogen helum 2 H Не 1.0079 hium 4.0026 berylum boron carton nitrogen oxygen fuorine neon 3 7 8. 10 Li Ве F Ne 6941 sodium 90122 magneskum 10.811 aluminium 12.011 slicon 14.007 phosphonus 15 18.908 20 180 15.999 sutur chorine argon 11 12 13 14 17 18 Na Mg AI Si CI Ar 22.990 potassium 24.305 caldum 26 982 28.06 gemanium 30.974 arsenic 32.065 selenium 35 453 bromine 39948 krypon scandum titanium vanadium chromium manganese 25 iron cobalt nickel copper 29 zine 19 21 22 23 24 26 27 28 30 31 35 36 K Са Sc Ti Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr 39.098 rutidium 44.966 yttrium 47 867 zirconium 63.546 silver 40.078 strontum 50.942 niobium 51.996 60.723 74.922 antimony 54.938 55.845 ruthenkum 58.903 hodium 58.693 palladium 65.39 cadmium 72.61 tin 78.96 telurum 79.904 lodine 83.80 enon 37 38 39 42 43 44 45 46 49 52 53 54 Rb Sr Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te Хе 85.468 caesium 87.62 barium 88.906 lutetum 131 29 91.224 92.906 tantalum 95.94 tungsten 74 101.07 102.91 iridium 106.42 platinum 107.87 112.41 meraury 80 114.82 118.71 lead 121.76 biemuth 127.60 polonium 126.90 astatine 85 hafnium henium gold 79 thallium 81 osmum 55 56 57-70 71 72 73 75 82 86 Cs Ba TI Pb Bi Po Rn 180.95 dubnium 186 21 bohrum 196 08 200.59 ununbium 2072 ununquadum 114 132.91 209 210 137.33 radium 88 174.97 lawrendum nutherfordum 103 178.49 183.84 seaborgium 106 190.23 hassium 192.22 meitnerium unun 109 196.97 204.38 208.98 francium un 87 89-102 104 105 107 108 110 111 112 Fr Ra ** Lr Db Sg Bh Hs Mt Uun Uuu Uub Uuq 220 pe 2611 262) peg 2711 praseodymum neodymium promethum samarium 60 gadoinum 64 terbum 65 dysproskum 66 ytterbium 70 lanthanum cerum europlum 63 holinum ertium 68 thulium 57 58 59 61 62 67 69 *Lanthanide series La Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb 157 25 aurtum 96 164 93 calfomium cinsteinium 98 167 26 fermium 100 162 50 151.96 americium 95 16893 138.91 actinium 89 140.12 thorum 90 140.91 protactinium 144.24 urankum [149 neptunum 150.36 plutonium 94 158.93 berkelum 173.04 ** Actinide series 99 101 102 Np Pu Am Cm Bk Cf Es Fm Md No 232.04 231.04 238.03 2371 244] 24 2471 247 2511 2571 258 259 Select one: O a. F2 o b. SO2 O c. CH4 o d. CO2 N2 е. 20
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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