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Chemistry paper Essay Example

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Chemistry paper

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And inert gases. The reaction with oxygen is an exothermic process and therefore self sustaining; however, to initiate the reaction some initial heating is required to dissociate the double bond in O2.This compound is liquid at room temperature. Its freezing point is 0 oC and boiling point is 100 oC. This is found in abundance on the planet Earth, mostly in the form of liquid. However, all the three forms – solid, liquid and vapor of this compound is found on this planet. It can be synthesized by crating a spark in a mixture of oxygen and hydrogen.It is prepared by reaction of Barium oxide with H2SO4. The excess water in this reaction is removed by evaporation at reduced pressure. It is a pale blue (almost colorless) liquid at room temperature. Its freezing point is 272.4 K and boiling point is 423 K. It is miscible in water in all proportions.(5) Nitrogen Monoxide: its formula is NO. It is a linear molecule. Its structure is shown below. It is a colorless and neutral gas. It is prepared by reaction between sodium nitrite with ferrous sulfate in sulfuric acid.(6) Dinitrogen Trioxide: Its formula is N2O3. It is an angular molecule. Its structure is given below. It is a blue colored solid and is acidic in nature. It is prepared by reaction between nitrogen monoxide and dinitrogen tetroxide.(8) Dinitrogen Tetroxide: Its formula is N2O4. It is a planar molecule. Its structure is shown below. It is essentially a dimer of nitrogen dioxide and is prepared by dimerization of nitrogen dioxide in appropriate temperature and pressure condition. It is a colorless solid / liquid and is acidic in nature.(9) Dinitrogen Pentoxide: Its formula is N2O5. It is a planar molecule. Its structure is shown below. It is a colorless solid and acidic in nature. It is prepared by chemical reaction between Nitric Acid and Tetra Phosphorous Decoxide.(10) Sulphur Dioxide: Its formula is SO2. It is an angular molecule. Its structure is shown below. It is a colorless gas with pungent smell. It is soluble in water and is highly acidic in nature. It is prepared by roasting of sulfide ores like pyrites or burning of S in air.The first and foremost use of oxygen in our everyday life every moment of life is breathing. Without breathing in this gas we cannot afford to survive beyond a couple of minutes. Oxygen cylinders are used for evacuation purpose in case

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preview essay on Chemistry paper
  • Pages: 6 (1500 words)
  • Document Type: Essay
  • Subject: Unsorted
  • Level: Ph.D.
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