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water FAQ veelgestelde vragen waterchemie
Water bestaat uit één zuurstof en twee waterstofmoleculen. Dit betekent dat de massa van een watermolecuul 1 + 1+ 16g = 18 gram per mol is. Wanneer het aantal mol water bekend is, kan men nu met behulp van het molaire gewicht berekenen hoeveel gram water ...
lenntech.com

User Guide to DATAPROP
(C) (atm) (m**3/kmol) (g/mol) (C) (%mol fr.) (%mol fr.) CHLORINE 143.8 76.90 .1240 70.91 -34.05 .0000 .0000 ... name Chemical name 0 DRY_AIR Dry air (79 vol% nitrogen, 21 vol% oxygen) 1 WATER Water (H2O) 2 CHLORINE Chlorine (Cl2) 3 CO2 Carbon dioxide (CO2) 4 AMMONIA Ammonia (NH3) ...
www.hgsystem.com

Dataprop add compound
PC critical pressure (MPa) 3 VC critical volume (m3/kmol) 4: MOLW molecular weight (g/mol) 5: ATBP boiling point at atmospheric pressure (K) 6,7: CL,CU: lower, upper flammability ... format of the GASDATA block is: TITLE CHLORINE EXAMPLE GASDATA * ------ [pollutant = dry pollutant (aerosol), water] WATERPOL = .0000 * - water in pollutant (mole fraction) CPGAS = 33.74 * J/MOLE/C specific heat of dry ...
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Afdeling Fysico-Chemische Geologie
Porcupine basin (Ireland; ongoing Ph. D.-study of B. De Mol; collaboration R.U.G. and K.U.L.) (1, 2, 3, ... in the mountain karst area of N.W. Vietnam by sustainable water and land management and social learning: its conditions and facilitation. ... project geoscientists and social scientists from Belgium and Vietnam focus on water and land management is karst areas (collaborator K. Van Keer). Copyright ...
www.kuleuven.ac.be

Physical Properties of Water
Heat of vaporization 40.63 kJ/mol Heat of Fusion 6.013 kJ/mol Heat Capacity (cp) 4.22 kJ/ ... has a very ordered lattice structure. Super cooled water (water below the freezing point) also has water molecules that are structured in a certain ... water solution? and become completely surrounded with water molecules? The reason is that the water-water bonds are much stronger! Displacing the water molecules ...
www.ozh2o.com

Chemical Properties of Water
Dipole moment = 1.83 debyes The hydrogen atoms are "attached" to one side of the oxygen atom, resulting in a water ... water molecules that are already attracting each other! The strength of water-water attraction is much higher than water ...
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Environment HFC-43-10mee
Mobility Air, Henry's law : 15 kPa.m³/mol constant (H) ca Result: considerable volatility Conditions: 20°C /calculated value Water, evaporation : t ½ = 3 hour(s) Conditions: calculated value ... ODP = 1 Air, greenhouse effect, GWP : = 1300 Reference value for CO2 for 100 years Water/soil, hydrolysis : t ½ > 10,000 year(s) Result: non-significant hydrolysis Conditions: calculated value ...
fluorocarbons.org

Water Hardness and Cardiovascular Mortality
J. Am. Water Works Assoc. 54(11): 1371-1378. 66. STÖFFN, D. 1974. Environmental lead and the heart. J. Mol ... of lead in drinking water of rats. Clin. Sci. Mol. Med. 49: 337-341. 68. NERI, L. C., D. HEWITT, G. B. SCHREIBER, T. W. ANDERSON, J. S. MANDEL & A. ZDROJEWSKY. 1975. Health aspects of hard and soft water. J. Am. Water ...
mgwater.com

water  triviale weetjes en feiten
Water bestaat uit drie atomen, 2 waterstof en een zuurstofatoom, die door middel van elektrische ladingen aan elkaar verbonden zijn. 7. Het gewicht van een watermolecuul is afhankelijk van het aantal mol, omdat water 18 gram per mol weegt. In een mol zitten 6,023 x 1023 deeltjes. 8. Water verplaatst zich over de aarde in een waterkringloop ...
lenntech.com

GroundwaterSoftware.com - Online Water Hardness Calculator
Fax: (978) 477-0250 E-mail Us Here Calculator 8 - Water Hardness Calculator Back to Calculators Hard waters are as satisfactory for human ... amounts of soap to produce a lather and produce scale in hot-water pipes, heaters, etc. they are often not desirable for a household. The ... Concentration Ca2+ mg/L mol/L Mg2+ mg/l mol/l Fe2+ mg/l mol/l Sr2+ mg/l mol/l Mn2+ mg/l mol/l *a value must ...
groundwatersoftware.com