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Exactly 4.00g of a solution of sulfuric acid was diluted with water as well as excess of cacl2, was added. The washed as well as dried precipitate of BaSO4 weighted 4.08g. Determine the percent H2SO4 in the original acid solution
give two examples of elements or compounds that undergo sublimatiom. we studied the sublimation of elemental iodine
Given the values of ?Gfo given below in kJ/mol, calculate the value of ?Go in kJ for the reaction at 298 K.: 3 NO2(g) + H2O(l) => 2 HNO3(l) + NO(g) ?Gfo (NO2) = 51.0 ?Gfo (H2O(l)) = -235.3 ?Gfo (HNO3) = -81.7 DGfo (NO) = 86.8
How many milliliters of a stock solution of 11.0 NHO3 would you have to use to prepare 0.320 of 0.350 NHO3
Come up with guess as well as then confirm a mechanism that is consistent with the experimentally found reaction rate for the subsequent reaction- 2A+B -> A2B
Chemically equivalent amounts of ferric and stannic ions, iron(III) and tin(IV) respectively, are mixed in solution. Calculate the redox potential.
The decomposition of hydrogen peroxid is second order in H2O2. If 50 grams of 30% hydrogen peroxide is placed in a beaker within a sealed environment, what will be the concentration of hydrogen peroxide
50.0mL of rhubarb juice are titrated with 0.1000 M NaOH and 34.8mL of this NaOH solution are necessary for neutralization. Presuming the acidity of the juice is due to oxalic acid (a di-protic acid), H2C2O4 (90.04g/mol), Find out the weight of oxa..
The 2s and 3s atomic orbitals of the H atom are orthogonal. If they are both spherical in shape so what makes them orthogonal
Which electrode gains mass and which loses mass as the cell reaction proceeds? What is the equation for the equation for the overall cell reaction?
Write a molecular equation for the precipitation reaction that occurs (if any) when the following solutions are mixed.
How much energy (in kilojoules) is released when 15.9g of steam at 129.5C is condensed to give liquid water at 68.5C? The heat of vaporization of liquid water is 40.67 KJ/mol , and the molar heat capacity is 75.3 J/(Kmol) for the liquid and 33.6 J..
Electron dot formulae (Lewis structures) with only the valence electrons, show the bonding - Write balanced equations
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