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Analyze the IR spectra below and identify the compound associated with each spectra by pointing out the main peaks in each spectra
A box contains a mixture of small copper spheres and small lead spheres. The total volume of both metals is measured by the displacement of water to be 425 cubic centimeters, and total mass is 4.22 kg. What percentage of the spheres are copper
Problem- Use the following standard-state free energy of formation data to calculate the acid-dissociation equilibrium constant (Ka) at for formic acid: Compound Gf o (kJ/mol) HCO2(aq) -372.3 H+ (aq) 0.00 HCO2 - (aq) -351.0
Redox equation is completed and balanced for the reaction in acid solution, what is the proper coefficient for H+ ? Zn + Cr2O7 2- ----> Zn+ + Cr2+
calculate the energy of attraction in ev between a cation with a valence of 2 and an anion with a valence of -1 the
Write a balanced equation with phase changes for an electrochemical cell that has a copper cathode immersed in a solution of cu+2 ions and a lead anode immersed in a solution of Pb+2 ions
Potassium hydroxide is used to precipitate each of the cations from their respective solution. Determine the minimum concentration of KOH required for precipitation to begin in each case.
Use an enthalpy diagram to calculate the lattice energy of CaCl2 from the following information. Energy needed to vaporize one mole of Ca(s) is 192 kJ.
given the equation 2C2H6(g)+7O2(g)->4CO2(g)+6H20(g) How many grams of oxygen are needed to react with 4.00 moles of C2H6?
Determine the of a solution that is 1.85% by mass. Assume that the solution has density of 1.01
A 7 mL sample of a solution of K2CO3 was diluted with water to 25 mL. A 10 mL sample of the dilute solution was found to contain 0.61 M CO32-. What was the concentration of K2CO3 in the original undiluted solution
At the temperature of twenty five degree celsius when 1.00 g of sulfur is burned at constant pressure in an atmosphere of oxygen to give SO 2 , and 9.28 kJ of heat is liberated. Determine the ΔHfo of SO 2 ?
For the isoelectronic series[V(CO)6]-, Cr(CO)6, and [Mn(Co)6]+, does the energy of the metal to ligand charge-transfer bands increase or decrease with increasing charge on the complex? Why?
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