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What is the lewis dot structure for KNO3?
The best Lewis structure for sulfuric acid has zero formal charges, sulfur as the central atom, and no bonds between S and H. How many single and double bonds, respectively, are there in this Lewis structure
if the average person weighs seventy kilogramsnbsp andnbsp if each alpha particle depositsnbsp of energynbsp of
Description of amino acids, Chiral compounds occur when a carbon atom has four different things bonded to it. All but the simplest amino acids (glycine) are chiral because the alpha carbon has an amine group
What mass of CCl2F2 substance must evaporate in order to freeze 109 of water initially at 24 degrees celsius? (The heat of fusion of water is 334 J/g the specific heat of water is 4.18 J/gK .)
What volume of CO2 gas is produced by the complete combustion of 2.6L (C3H8) gas? Assume all gas volumes are measured at the same temperature and pressure. C3H8 + 5O2 ---> 3CO2 + 4H2O
In a particular solution, [Cr3+]=3.9x10-4 mol/L. What is the minimum pH at which Cr(OH)3(s) will precipitate from this solution. Assume the temperature is 25oC. For Cr(OH)3(s), Ksp=6.3x10-31 at 25oC. Give your answer with three digits
If you take a 67.5 mL portion of 1.98 M. NH3 stock solution and dilute it to a total volume of 0.600 L, what will the concentration of the final solution be?
What volume of 0.160 M of Li2S solution is required to completely react with 125 mL of 0.160 M of Co(NO3)2
Fish produce glycerol to survive the freezing waters of the Arctic. Determine the degree to which the freezing point of blood and other biological fluids is lowered with the help of glycerol. What is the ideal concentration range of glycerol requi..
Calculate the composition of air (percent by mass) assuming that it only contains nitrogen and oxygen and behaves like an ideal gas
What weight of glucose in grammes is required to make 675 ml of a 750 mM solution. Glucose Mr = 180.16
if 2.0 g of helium gas and 5.46 g of oxygen gas are mixed togeher, what is the mole fraction of helium in the solution?
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