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If the cell potential for a voltaic cell is 0.250 V, and the reduction potential for the oxidation reaction is ?0.150 V, what is the reduction potential for the reaction occurring at the cathode?
Ligands approaching in a tetrahedral pattern cause some orbitals to be raised in energy. How many orbitals are on the lower energy level?
Calculate the kinetic energy of an electron ejected by a photon with wavelength 1.91 x10^2 nm from a metal with a binding energy of
if 82.7874 grams of oxygen was given off during the decomposition, how many grams of KCIO3 were used?
Consider the reaction, 2 D(g) + 3 E(g) + F(g) => 2 G(g) + H(g) When [F] is decreasing at 0.60 mol/Ls, how quickly is [G] increasing
A liquid mixture of methyl acetate and ethyl acetate at 50oC and 1 atm is in equilibrium with gas containing methyl acetate, ethyl acetate and 23 mole % nitrogen. What are the molar fractions of ethyl and methyl acetate in the liquid and gas phase
Consider the following reaction, equlibrium concentrations, and equilibrium constant at a particular temperature. Determine the equilibrium concentration of SO3(g)
What is the density (in grams per liter) of a gas mixture that contains 20.5% F2 and 79.5% He by volume at 793mm Hg and 28.5C
An unknown white solid is either NaC2H3O2, AgNO3 or BaCl2. The white solid dissolves in water. The dissolved unknown precipitates when either aqueous potassium carbonate or aqueous lithium bromide is added. What is the unknown
The sample is placed in a drying dish (weight = 0.5000 g before the sample is added), and then placed in an oven at 104°C until all the moisture is evaporated
What is the percent yield of a reaction in which 200 g phosphorus trichloride reacts with excess water to form 82 g HCl and aqueous phosphorus acid (H3PO3)
A compound's 13C NMR spectrum shows a resonance at 176 and 85 ppm. What possible structural subunit does the compound contain
The calorimeter contains exactly 281 g of water, and the temperature increases by 1.126°C. Calculate the heat given off by the burning Mg, in kJ/g and in kJ/mol.
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