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Calculate the viscosity (dynamic viscosity) and kinematic viscosity of air when the temperature is 288.15K
determine the molar ratio of sodium borohydride to 9-fluorenone that you used in the experiment. why is it necessary to
Determine the symmetry elements of objects with the same shape as the boundary surface of a) an s orbital, b) a p orbital c) a dxy orbital d)a dz2 orbital.
The pKb values for the dibasic base B are pKb1 = 2.10 and pKb2 = 7.48. Compute the pH at each of the following points in the titration of 50.0mL of a 0.80 M B(aq) with 0.80 M HCL(aq).
What will be the molarity of a compound (1 litre) with a molecular weight of 169 and purity as 41%.
The Ksp of magnesium carbonate, MgCO3, is 6.82 × 10-6. Calculate the solubility of this compound in g/L.
Calculate the pH of 9.2E-8 M NaOH, ignoring activity coefficients. Report the pH using the correct number of decimal places.
The reactions represented below are all spoontaneous as written. For each, write the anode and cathode half - reactions and indicate the signs of the electrodes.
Trimyristin and myristic acid have similar melting points. based on melting point measurements only, how could one know that the product isolated at the end of this experiment is truly myristic acid and not unreacted trimyristin
Determine a value for the gas constant, R, in units atm L/mol K. Using the following data. Determine the precent error between your value and the expected value for R. This is over water.
The same mass or contain the same number of molecules? Explain.
What is the cell potential for the reaction Mg (s)+ Fe2+(aq)=> Mg2+(aq)+ Fe (s) at 79 C when Fe 2+= 3.30 M and Mg2+= 0.310 it M.
question calculate the energy in the form of heat in kj required to change 75.0 g of liquid water at 27.0 c to ice at
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