Answer the following :
1). What is the function of absorbed energy during vaporisation?
2). Give a reaction in which two gases react to form a solid product.
3). How is carbon disulphide formed from carbon and sulphur?
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When a molecule near the surface absorbs enough energy to overcome the vapor pressure, it will escape and enter the surrounding air as a gas. When evaporation occurs, the energy removed from the vaporized liquid will reduce the temperature of the liquid, resulting in evaporative cooling.
2.when ammonia gas (NH3) react with hydrogen chloride gas (HCl) we get ammonium chloride (NH4Cl) which is solid.
3.Carbon disulfide is made by the reaction of carbon and sulfur. ... Its boiling point is 46.3° C (115.3° F) and its freezing point -110.8° C (-169.2° F); its vapour, which is heavier than air, is ignited with extraordinary ease.
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