Monday, November 15, 2010

GAS LAWS

MANY PHENOMENA FAMILIR TO YOARE CAUSED BY വാതകങ്ങള്‍ THAT FILL THE ATMOSPHERE .YOU ARE ABLE TO HEAR THE SOUND OF THUNDER.AIRCRAFTS CAN FLY IN AIR AND YOU CAN FEEL THE SEA BREEZE BECAUSE OF CERTAIN PHYSICAL PROPERTIES OF GASES.LIQUIDS,SOLIDS,AND GASES RESPOND TO PRESSURE AND TEMPETATURE DIFFERENTLY.THIS IS BECAUSE DENSITY,KINETIC ENERGY AND THE NUMBER OF MOLECULES CONTAINED IN A FIXED VOLUME IS DIFFERENT FOR EACH STATE OF MATTER.MANY GASEOUS SUBSTANCES ARE USED IN CHEMISTRY.SCIENTISTS HAVE HENCE FORMULATED MANY RULES ABOUT THE NATURE OF GASES AND ALSO WAYS TO MEASURE THE PROPERTIES OF GASES.SCIENTISTS HAVE FORMULATED THESE RULES BY OBSERVING HOW GASES BEHAVE IN DIFFERENT SITUATIONS AND LINKING THIS TO THEIR PROPERTIES.BASED ON THESE LAWS,CHANGES OBSERVED IN GASEOUS SUBSTANCES THAT ARE USED OR PRODUSED IN CHEMICAL EXPERIMENTS CAN BE EXPLAINED.VARIOUS MEASURES FOR GASES ARE ALSO NEEDED TO EXPLAIN THE EXPERIMENTS.

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