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Iron(III) chloride is reduced by tin(II) chloride.
2 FeCl3(aq) + SnCl2(aq) ---> 2 FeCl2(aq) + SnCl4(aq)
The concentration of Fe3+ ion at the beginning of an experiment was 0.03540 M. After 4.00 min, it was 0.02641 M.
What is the average rate of reaction of FeCl3 in this time interval? __ M/min
A large number of polycyclic benzenoid aromatic hydrocarbons are known. One of these, benz/a/pyrene, is a powerful carcinogen found in tobacco smoke.
Calculate its standard heat of combustion in kilojoules C5H12O with a Delta H of -313.6 kJ/mol
Calculate pCu at the equivalence point in the titration of 20.0 mL of 0.0161 M CuSO4 with 0.0100 M EDTA at pH 8.00.
A solution is made by mixing 30.0 mL of ethanol, C2H6O, and 70.0 mL of water. Assuming ideal behavior, what is the vapor pressure of the solution at 20 °C. Ethanol density=0.789 Vapor Pressure (Torr)=43.9 Water density=0.998 Vapor Pressure (Torr)=..
What is the pressure in atmospheres inside a container of gas connected to a mercury-filled open-end manometer when the level in the arm connected to the container is 25.4 cm higher than the level in the arm open to the atmosphere and the atmosphe..
In an electron microscope the electrons generate the image. For one of the scanning electron microscopes in our Central Analytical Facility, the electrons are accelerated to have a kinetic energy of 200,000eV. Electrons with this kinetic energy ha..
Draw the crystal field splitting diagram for octahedral Zn^2+ and Ca^2+ complexes. Predict the color of aqueous solutions of Zn^2+ sals and Ca^2+ salts. Does it matter if the complexes are high-spin or low-spin?
Add curved arrows to both structures to show the delocalization of electron pairs needed to form the other resonance contributor.
The molar heat of vaporization of carbon disulfide, CS2, is 28.4 kJ mol-1 at its boiling point. How many kilojoules of heat would be liberated by the condensation of 9.75 g of carbon disulfide?
Titration of a 308.5 mg sample of synthesized aspirin with 0.100 M NaOH solution required 20.30 mL. What is the EMM(effective molar mass) of the sample, and what is the % ASA(acetylsalicylic acid)
The inner (plasma) membrane of a cell line is about 60% lipid and 40% protein by weight. How many molecules of membrane lipid are there for each molecule of protein
Using 3.2 g bromobenzene. Calculate the number of grams of Mg required if you need a molar equivalency of 1.25. Then calculate the amount of benzaldehyde (106.12 g/mol), benzophenone (182.22 g/mol), and methyl benzoate (136.15 g/mol) needed (they ..
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