Q1 (a) 3.2 g of sulphur was produced in a reaction between 6.0 L of hydrogen sulfide gas with excess an amount of sulphur dioxide. With the aid of Table Q1 (a)(i) and Table Q1 (a)(ii), predict the temperature (in °C) of the reaction if it was conducted at 750 torr. Actinium Alumirum Americium Antimony Argon Arsenie Astatine Barium Berkeliura Berylliam Bismuth Boron Bromine Cadmium Calcium Californium Carbon Cerium Cesiam Chlorine Chromium Cobalt Copper Dysprosium Finsteinium Erbium Europium Fermium Fluorine Gadeliniam Gallium Gemaniam Gold Hafnium Helium Holmium Hydrogen Indium lodine Iridium Iron Krypton Lanthanam Lawrencium Lead Lithium Magnesium Manganese Table Q1 (a)(i): Atomic Number and Atomic Mass of Elements Atomic number (2) 89 13 Symbol Ae Al Am Sb A As Al Ba Bk Be B Be Ca CY C Ce a C Ca Ca Dy 3==35-43332=22 Au Hr Ho H In I Fe Kr La Lr Li Mg Mn 95 51 18 85 36 97 4 83 5 35 48 20 98 6 58 55 17 24 96 66 99 68 63 100 9 64 31 32 79 72 2 67 1 49 53 77 57 103 82 71 12 25 Atomic mass (4) 227.0278 26.98154 8.3145 0.008314 121.75 39.948 74.9216 -210 137.33 -247 9.01218 208.9804 10.81 11241 40.08 -251 12.011 140.12 132.9054 35.453 51.996 58.9332 63.546 162.5 -254 167.26 151.96 18.998403 -223 157.25 69.72 72.59 196.9665 178.49 4.0026 164.9304 1.0079 114.82 126.9045 192.22 55.847 83.8 138.9055 207.2 6.041 174.97 $4.938 Element Mercury Molybdenam Neodymium Neon Neptunium Nickel Niobium Nitrogen Nobelium Osmium Oxygen Palladium Phosphorus Platinum Poloniura Potassium Praseodymium Promethium Protactinium Radium Radon Rhenium Rubidium Ruthenium Samarium. Scandium Selenium Silicon Silver Sodium Strontium Tantalura Technetium Tellurium Terbium Thallium Thorium Thulium Tin Titanium Tungsten Uranium Vanadium Xenon Ytterbium Yurian Symbol Mo Nd Ne Np Ni Nb N No Os 0 Pd P Pt K Pm Pa Ra Ra Re [225885225, Rb Sm Ag Na Ta Te Te Tb 71 Tm Sn W V Xe Vb Y Zn Atomic number (2) 80 42 60 23X=-8*- $22332335090 93 41 102 94 84 61 91 88 86 75 37 44 62 21 34 47 11 38 16 73 43 65 81 90 69 22 74 92 Table Q1 (a)(ii): Gas constant (R) at different unit Value Unit 0.0821 LatmK-mol 8.3145 8.3145 x 10³ 23 54 20 39 30 40 JK mol LPamol K M³Pak mol kJK-mol-¹ Atomic mass (4) 200.59 95.94 144.24 20.179 237.0482 58.7 92.9064 -259 190.2 15.9994 1064 30.97376 -244 -209 39.0983 140.9077 -145 231.0359 226.0254 -222 186.207 102.9055 85.4678 101.07 1504 44.9559 28.0855 107.868 22.98977 87.62 32.06 180.9479 -97 1276 158.9254 20437 232.0381 168.9342 118.69 47.9 183.85 238.029 50.9414 1313 173.04 88.9059 91.22

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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.