hydrogen helum H Не 1.0079 hium 4.0026 noon berylikun boron carbon ritrogen oygen fluorine 10 Li Be 90122 10811 aluminim 13 14.007 phosphonus 15 15999 Sur 18.998 6.941 sodium 12.011 slicon 14 20.180 argon 18 magneskum chlorine 11 12 16 Na Mg 28000 germanium 32 24.305 22.990 potassium 19 cobalt 27 26.982 gallum 31 30.974 arsenie 33 32.065 selenum 34 35453 tromine 35 39.948 krypon 36 itankum nickel 28 scandum manganese 25 caldum vanadium chromium iron copper zinc 20 21 22 23 24 26 29 30 K Ca Sc Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br 39.098 rutidum 37 40.078 strontum 38 47.867 50.942 54.938 molybdenum technetum 42 51.996 58.693 palladum 46 65.39 cadmium 48 60723 78.96 44.956 yttrium 39 58.933 hodum 63.546 silver 72.61 tin 74.922 antimony 51 79.904 lodine 83.80 55.845 ruthenkum zirconkum nioblum Iindium telurum xenon 40 41 44 45 49 52 53 54 Rb Sr Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te Хе 85.468 casium 126.90 astatine 85 88.906 87.62 barium 91.224 hafnium 72 92906 tantalum 95.94 tungsten 74 101.07 osmkum 102.91 rkdum 10642 platinum 78 107.87 gold 112.41 mercury 80 114.82 thalum 118.71 lead 121.76 bismuth 127.60 polonium 131 29 radon lutetum rhenkum 55 56 57-70 71 73 75 77 81 82 83 86 Cs 200 59 ununbium 137.33 radium 88 180.95 186 21 bohrum 192.22 motnerum 109 132.91 francu 178.49 lawrendium rutherfordum dubnium 104 204.38 174.97 183.84 seaborgium 106 190.23 hassium 196.97 Ununnillum unununium 110 196.08 207.2 ununquadum 114 208.98 209 210 87 89-102 103 105 107 108 111 112 Ra ** Rf Db Sg Bh Hs Mt Uun Uuu Uub Uuq 220 261 262] 209 2711 271 289 praseodymum neodymum promethium 59 europlum 63 gadolnium 64 dysproskum 66 lanthanum cerkum samarium terbaum holmum erbium thulium 57 58 60 62 65 67 68 69 ytterbum 70 61 * Lanthanide series La Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb 157 25 162 50 168.93 fermium mendelevium nobolium 101 167 26 144,24 rankam 92 149 neptunium 93 151.96 americum 95 164.93 caltomum istenium 98 173.04 138.91 actinium 140.12 thorum 140.91 protactinkum 91 150.36 plonum 94 158.93 berkellum curtum *Actinide series 89 90 96 97 99 100 102 Ac Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No 227) 232.04 231.04 238 03 243 2471 1247 2511 2571 Felect one: O a. F-F < N-O < O-F < N-F < N-N Ob. F-F < N-F < O-F < N-N < N-O O-F < N-F < F-F < N-N < N-O O d. F-F < O-F < N-F < N-O < N-N O e. N-N < N-O < F-F< N-F < O-F
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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