Saturday, November 30, 2013

Properties of Water

- - urine is essential for life as we know it on earth. It is apply by plants and animals for basic biological changees which would be impracticable without the lend unmatchedself of peeing. The origin of all life can be traced spend a penny up to the pissing in the Earth¹s precambrien seas. urine is in addition the cosmopolitan solvent. It reacts with more elements and compounds than any other substance know to man.         Water is a polar molecule made up of on atom of atomic number 1 and two atoms of oxygen. It is attracted to itself by hydrogen bonds. Hydrogen bonds are weaker than covalent bonds, but collectively these bonds hold water together and give it its cohesiveness. These bonds are similarly genuinely important to water¹s ability to fool heat, as without hydrogen bonds water would have a stewing channelise of -80 degrees C and a halt point of -100 degrees C.         In reality, however, water has a boiling poin t of 100 degrees C and a freezing point of 0 degrees C. The fare of efficacy required to raise the temperature of wholeness gramme of water by one Celsius degree is called a Calorie. One Calorie is some double as much energy as you remove to untoughened one gram of most other fluids by the analogous amount. This suffices water much better for regulating the temperatures of animals and the environment.
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        Water also has a very extravagantly heat of vaporization. Converting one gram of cold water into ice requires 80 Calories of energy. Converting the aforesaid(prenominal) amount of very hot water into steam requires 540. The! high amounts of energy required to change water from its liquid bow make water tend to stay a fluid. The process of freezing water involves slowing down the activity of the water molecules until they signalise and enter into... If you want to get a plenteous essay, show it on our website: BestEssayCheap.com

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