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If 12.8 grams of iron (III) oxide reacts with 11.5 grams of carbon monoxide to produce 6.10 g of pure iron, what are the theoretical yield and percent yield of this reaction? Be sure to show the work that you did to solve this problem.unbalanced equation: Fe2O3 + CO Fe + CO2
chemicals x and y react to form the gas xy but it takes some time for the reaction to occur. both x and y are placed in a container with a piston and you note the volume. As the reaction occurs, what happens to the volume of the container? explain..
Write the angular momentum quantum number (l), and magnetic quantum number (ml) of orbitals with principle quantum number (n) of 4.
A current of 0.010 amp is passed through an aqueous solution of rhodium sulfate salt. The only reaction at the cathode is the deposition of rhodium metal. After 3.0 hours, 0.038g of rhodium metal has been deposited. What is the formula of the rhod..
express the velocity of the electron in the Bohr model for fundamental constants, the nuclear charge Z, and the quantum number n. Evaluate the velocity of an electron in the ground states of He+ ion and U91+.
A 0.375 gram sample of impure BaCl2?2H2O is titrated with 0.100M AgNO3, requiring 28.44 mL. Calculate (a) the percent BaCl2?2H2O in the sample and (b) the percent Cl- in the sample.
Calculate Ea. Express your answer using two significant figures Ea= kJ/mol Calculate A. Express your answer using one significant figure. A = M-1s-1
An electron moves in a circular path perpendicular to a magnetic field of magnitude 0.220 T. If the kinetic energy of the electron is 2.80 10-19 J, determine the speed of the electron as well as the radius of the circular path.
Write an empirical formula for each of the following. (using the format CO2 for CO2.) (a) Ethylene glycol, car antifreeze, molecular formula C2H6O2
In a common protein analysis, a dye binds to the protein and the color of the dye changes from brown to blue. The intensity of the blue color is proportional to the amount of protein present.
Calculate the concentration of all ionic species at equilibrium after adding 1 g sodium acetate to 0.1 L of a 0.1 M solution of acetic acid. Assume volume stays constant and conditions are at standard state
For the chemical reactions shown below, calculate the number of electrons transferred in the redox process. 2Cr2(O7)2- (aq) + 16H+ (aq) --> 4Cr3+ (aq) +3O2 (g) + 8H2O (l)
While you compute the density of water how would your results be affected if the graduated cylinder contains a few drops of water instead of being clean and dry
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