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Calculate the freezing point of 0.15 m calcium chloride aqueous solution. Assume that the molal freezing point depression constant of water is 1.86°C•kg/mol and that the freezing point of water is 0.00°C. Please show all calculations in solving the problem
a particular sample of rainwater is 0.2 ppb. Assume the density of rainwater is close to 1.00 g/mL and find the molar concentration of C20H42.
Calculate ?Sºf for oxalic acid and ?Sº for the combustion of one mole of oxalic acid. c) Calculate ?Gºf for oxalic acid and ?Gº for the combustion of one mole of oxalic acid.
Hardness in groundwater is due to the presence of metal ions, primarily Mg2 and Ca2 . Hardness is generally reported as ppm CaCO3 or mmol/L Ca2 . To measure water hardness, a sample of groundwater is titrated with EDTA,
Calculate the osmotic pressure of each starting solution and that of the mixture, assuming that the volumes are additive and that both salts dissociate completely into their component ions
If a few drops of water on the outside of the hot water syringe used to dispense the 5.00 mL sample into the calorimeter well for the Kcal determination fell into the well
The solution to Chemistry, Are there differences between having electron-donating groups and electron-withdrawing groups
potassium hydrogen phthalate, a monoprotic acid with a molecular weight of 132 g/mol
The pre-exponential factor for the gas-phase decomposition of ozone (unimolecular reaction) is 2.3x1013 L mol-1 s-1, and the experimental activation energy is 30.0 kJ mol-1. What is (a) the entropy, (b) the enthalpy and (c) the Gibbs free energy o..
Calculate the molality of a solution that contains 51.2 g of naphthalene, C10H8, in 500. mL of carbon tetrachloride. The density of CCl4 is 1.60 g/mL.
When heated, calcium carbonate decomposes to yield calcium oxide and carbon dioxide gas via the reaction CaCO3(s)?CaO(s)+CO2(g)
A second-order reaction of the type A+2Bâ†'P was carried out in a solution that was initially 0.050 mol dmâˆ'3 in A and 0.030 mol dmâˆ'3 in B. After 1.0 h the concentration of A had fallen to 0.010 mol dmâ
Determine how long will it take for a sample of N2O5 to decay to sixty percent of its initial value?
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