chemical composition of water - group 1
TRANSCRIPT
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Water is a transparent fluid which forms the world's streams, lakes, oceans and rain, and is the major constituent of the fluids of living
things. As a chemical compound, a water molecule contains one
oxygen and two hydrogen atoms that are connected by covalent
bonds. Water is a liquid at standard ambient temperature and pressure, but it often co-
exists on Earth with its solid state, ice; and gaseous state, steam
(water vapor).
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Water consists of 2 hydrogen atoms(H2) and one oxygen atom, that is shown by the following formula: H2O
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Division of mineral water according to its chemical composition:
●highly carbonated natural mineral water - healing, specific, containing the at least 1000 mg/dm of the free carbon dioxide (CO2);
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●silicon water - healing, specific, containing the at least 100 mg/dm of acid (H2SiO3);
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●carbonic water - healing, specific, containing by 250 ³ mg/dm to 999 mg/dm of the CO2 and sodium (Na+), equals at least 20% mval each;
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●bromide water - healing, specific, containing the at least 5 mg/dm of the bromide ion (Br-);
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●chalybeate water - healing, specific, containing the at least 10 mg/dm of the ferrous ion (Fe2 +).
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GROUP 1Anna Woszczyk - PolandMaja Gewald -PolandNatalia Baczewska - PolandNoelia Afonso Martín - SpainGorka Arnay Esteban - SpainMaría Samara Ascanio Castro - SpainLucía Castañeda Benites - SpainAndrea Candelaria Domínguez Medina - SpainAdil José El Founti Afonso - SpainPhilip - Germany