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Use rule of thirteen to determine a molecular formula and an index of hydrogen deficiency. A substance has molecular mass of 342. Then adjust the compound to 12 carbons using oxygen.
5.00g of glucose, C6H12O6 is dissolved in the 500.0 grams of acetic acid. Determine the new freezing point and the boiling point for the solution where the Kf acetic acid = 3.90, and the K
Calculate the pH of a mixture of a acetic acid and sodium acetate when the ratio of (CH3COO)/(CH3COOH) is 4.0 where the Ka of the CH3OOH is 1.8 x 10^-5.
The ultimate fate of our sun is possibly to collapse to a white dwarf state after it exhausts its nuclear fuel, having approximately the mass of the sun, but the radius of the earth.
Determine the numbers of moles of sodium hypobromite, NaBrO, should be added to 1.00L of 0.200M hypobromous acid, DBrO(ka=2.5*10-9), to produce a buffer solution of pH 8.80?Suppose that no volume chan
At 25°C for each of the following voltaic cells, write down the balanced half-reactions, the overall balanced reactions, and determine the cell potentials.
Calculate the equilibrium constant to support your answer. Is the overall cell reaction reactant or product favored at 25°C?
Determine the numbers of grams of Fe(OH)2 are produced at the anode when the battery produces a constant current of the 0.250 A for 40.0 min?
Determine the overall cell potential for the reaction when the concentrations of ethanol, if the standard half-cell potential for the reduction of acetic acid to ethanol is 0.058 V, acetic aci
Write down the standard shorthand cell notation for the voltaic cell. Determine standard cell potential for the voltaic cell
Determine the molar concentration of Na+ (aq) in a solution that is prepared by mixing the 10 mL of a 0.010 MNaHCO3 (aq) solution with the 10 mL of a 0.010 MNa2CO3 (aq) solution?
47.06 mL of 0.500 M AgNO3is added to the 270.00 mL of water which contains the 5.832 gK2CrO4. A red precipitate of Ag2CrO4 forms. Determine the concentration, in mol/L, of unprecipitatedCrO4
Determine the binding energy of an electron to the metal surface? A metal has a threshold wavelength, for the onset of the photoelectric effect, of 781 nm.
The compound arsenic acid (H3AsO4) behaves in much the same manner as phosphoric acid. Lead arsenate (Pb3 (AsO4)2) is only slightly soluble in water. Determine the mass balance equation for th
Estimate the conditional formation constant Kf' for the formation of an EDTA complex with the copper (II) at a pH of 5.00, if log Kf = 18.80
Identify the 90% confidence intervals for the carbohydrate content. The glucose content of a glycoprotein is calculated to be10.5, 10.7, 11.0, 9.9, and 10.6 g of the carbohydrate per 100 g of prote
Determine the binding energy of an electron to the metal surface when a metal has a threshold wavelength, for the onset of the photoelectric effect, of 781 nm.
Determine the numbers of grams of SiCl4 are obtained in the reaction of 2.8 g of silicon with excess chlorine? In the direct reaction of silicon with the Cl2 the yield of SiCl4 is 50 pe
Calculate the charge balance equation for this system when a solution contains a 0.100 molar Fe(NO3)3 and 0.100 molar CaCl2.
The actual reaction mixture is 63% KClO3, 31%Sb2S3, and 6% P4, which means there is a slight excess of both potassium chlorate and phosphorus.
Determine the mathematical equation which represents the solubility product when the insoluble compound Fe2S3 is dissolved in the water?
Analyze the partial pressure of ozone and the number of ozone molecules per liter of air if the temperature and pressure were 20.0°C and738 mmHg, respectively. On a smoggy day in a certain city
If the phosphorus is present as phosphate, PO43-, determine the corresponding molar concentration of phosphate. Phosphorus is present in the seawater to the extent of 0.07 ppm by mass.
Consider the reaction N2 (g)+ O2(g)ó 2NO(g) when given ΔG0 for the reaction at the 250C is 173.4 kJ/mol Determine the standard free energy of formation of NO.
How can estimate the functional groups for Enol and how they look like and also determine the functional groups for Enolote ion and how they look like?