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Calculate the concentrations of species in solution and the pH when 0.1 moles of FeSO4 are placed in 1 L H2O at T=25 deg C. Consider hydrolysis and assume ideal solution. The pK of FeSO4 is 10^-2.65.
Magnesium oxide (MgO) has the rock salt crystal structure and a density of 3.58 g/cm3. Determine the unit cell edge length.
explain why moderate contamination of a basalt by granitic rocks does not greatly change the FeO/MgO ratio of the hybrid magma with respect to the ratio of the original basalt.
The latent heat of fusion for sodium is 2.6kJ/mol. How much heat is needed to melt 46g of sodium at its melting point of 98 degree Celcius?
Provide an explanation for the trend observed by comparing the basicity of the oxyanion bases. Include any additional structures necessary in your explanation! B ase % 1-Butene in Total Butenes Potassium p-nitrobenzoate 5.8 Potassium benzoate 7.2 ..
Explain why the benzyl carbocation is more stable than the allyl carbocation?
Calculate the solubility-product constant for PbF2. Ksp = (c) The Ksp of ZnSe at 25 oC is 3.60e-26. What is the molar solubility of ZnSe? solubility = mol/L
Brass is a substitutional alloy consisting of a solution of copper and zinc. A particular sample of red brass consisting of 80.0%Cu and 20.0% Zn by mass has a density of 8780 k/m3. a)What is the molality of in the solid solution
in a 125-ml erlenmeyer flask containing a magnetic stirring bar mix 0.05 mol of benzaldehyde with the theoretical
The complete combustion of pentane releases 243 kj on the basis of this information calculate the value of delta H for the complete combustion of one mole of pentane
What is the pressure of the gas in mmHg if the volume is changed to 8.53 L? The temperature remains constant. In scientific notation.
(a) How many stereoisomers are possible for 1-methyl-1,2-cyclohexanediol? (b) Name the stereoisomers formed by oxidation of 1-methylcyclohexene with osmium tetroxide. (c) Is the product formed in step (b) optically active
Calculate the solubility of each of the following compounds in moles per liter. Ignore any acid-base properties. (c) PbI2, Ksp = 1.4x10^-8
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