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A compound with empirical formula C2H2N dissolved its 0.0800 gram in 10.00 g of C6H6, freezing point of resulting solution= 4.99 degree celsius , C6H6 freezes at 5.48 degree celsius, freezing point depression constant kf for benzene = 4.90oC/m. determine What is the molecular formula of this compound?
Compute the number of gms of CoCl2 that would be needed to prepare the solutions:(a) 550 mL of a 1.75 M solution (b) 210 mL of a 0.0180 M solution.
Determine the final concentration and Determine What mass of Ar is needed to exert half the pressure (at the same conditions of volume and temperature)?
Calculate the binding energy of the 2s electron in iron and calculate the binding energy of the 2s electron in iron. Does the new energy agree better with experiment?
Draw the accepted mechanism for each reaction and illustrate how each stereoisomer is formed in the reaction.
Find the amount of known substance present in the mixture and determine the mass of calcium carbonate present in original mixture.
Compute the thermal-equilibrium values of hole and electron concentrations while Considering a homogeneous gallium arsenide semiconductor at the given temperature of T = 300 K with Nd = 1016 cm-3 and Na = 0?
Determine which girl has the solutions at the concentrations desired and Girl A dilutes 10 mL stock solution to a final volume of 20 mL. Girl B dilutes 10 mL stock solution to a final volume of 40 mL.
Determine the Volume of air and partial pressure of nitrogen, oxygen, water vapor and air
Hydronium ion concentration using Henderson-Hasselbalch equation - What is the hydronium ion concentration of a solution
What is the theoretical yield and percent yield for this reaction under the given conditions?
Determine the equilibrium concentrations - what are the new equilibrium concentrations of all species.
Write and balance the given chemical equation and Write a balanced equation for this reaction
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