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Calculate the freezing point of 0.15 m calcium chloride aqueous solution. Assume that the molal freezing point depression constant of water is 1.86 Kg/mol and that the freezing point of water is 0.00C
diazomethane and ozone both behave as 1,3 dipoles. Indicate, by drawing their resonance forms, how they can behave as 1,3 dipoles and draw the products of the reaction with styrene.
If 0.90 mole of MnO2 and 48.2 g of HCl react, which reagent will be used up first?
Calculate ?Sºf for oxalic acid and ?Sº for the combustion of one mole of oxalic acid. c) Calculate ?Gºf for oxalic acid and ?Gº for the combustion of one mole of oxalic acid.
A ground state hydrogen atom absorbs a photon of light having a wavelength of 92.30 nm. It then gives off a photon having a wavelength of 1820 nm
Consider n moles of ideal gas kept in a heat isolated cylinder (all processes are adiabatic) with a piston at extrnal pressure P(i), and at the temperature T(i). the extrnal pressure is suddenly changed to P=2P(i), and we wait for the system to eq..
Acetic acid, CH3CO2H, is made industrially, by the reaction of methanol and carbon monoxide. If you produce 1.00L of acetic acid (d= 1.044 g/mL) by this reaction, how much energy as heat is evolved.
A stock solution is prepared by adding 20 mL of 1.21 M AlCl3 to enough water to make 72 mL. What is the Al3+ concentration of 30 mL of the stock solution
A 125 ml sample of a solution that is 2.6x10^-3M in AgNO3 is mixed with a 230 ml sample of a solution that is 0.10M in NaCN. After the solution reaches equilibrium, what concentration of Ag+ remains?
Calculate What will be the volume of this gas sample at standard atmospheric pressure and
at 25 degrees C calcium fluoride has a solubility product constant Ksp= 3.0*10/\(-11). If enough CaF2 is added to saturate the following solutions, determine the equilibrium concentrations
Determine how many moles of each product would form and Considering the given equation
A voltaic cell consists of an Au/Au3+ electrode (E° = 1.50 V) and a Cu/Cu2+ electrode (E° = 0.34 V). Calculate [Au3+] if [Cu2+] = 1.20 M and Ecell = 1.13 V at 25°C.
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