Properties of Water

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Water is essential for life as we know it on earth. It is apply by plants and animals for basic biological processes which would be impossible without the lend unmatchedself of peeing. The origin of all life can be traced spend a penny up to the water in the Earth¹s precambrien seas. Water is in addition the universal 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 also genuinely important to water¹s ability to absorb heat, as without hydrogen bonds water would have a boiling channelise of -80 degrees C and a halt point of -100 degrees C.

        In reality, however, water has a boiling point of 100 degrees C and a freezing point of 0 degrees C. The fare of susceptibility required to raise the temperature of one gramme of water by one Celsius degree is called a Calorie. One Calorie is about double as much energy as you need 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.

        Water also has a very high heat of vaporization. Converting one gram of cold water into ice requires 80 Calories of energy. Converting the same amount of very hot water into steam requires 540. The high amounts of energy required to change water from its liquid state 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...

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