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How would the absorbance of the standard solution have been affected if 0.00050 M NaSCN had been used in place of 0.00040 M? if it changes, calculate the new absorbance based on your values.
Hydrogen displays an emission line in the infrared region of the spectrum at 1875.6 nm. Determine the values of n for the two energy levels that are responsible for this emission.
When 5-hydroxypentanal reacts with itself in solution define what is the structure of the hemiacetal formed. Give the mechanism as well as the bond line structure for the hemiacetal formed
Construct a Molecular Orbital Diagram showing the various energy levels for an Octahedral Transition Metal Complex (?-bonding only case!). Label (i) all initial metal orbitals
Based on understanding of enthalpy, what is the sign of dH for the binding of Cu2+ to soil. Explain.
A compound is found to have a molar mass of 598 g/mol. If 35.8 mg of the compound is dissolved in enough water to make 175 mL of solution at 25°C, what is the osmotic pressure of the resulting solution?
Which is the best solvent for recrystallizing acetanilide, water or dichloromethane (CH2Cl2). Explain your answer to receive lifesaver rating.
what is the vapor pressurein mm hgof a solution made by dissolving 18.3g of nacl in 500.0g of h2o at 70 degree celcius.
Calculate the final temperature of the solution assuming no heat is lost to the surroundings, the final mixture has a mass of 100.0 g and the solution has a specific heat capacity of 4.18 J °C-1 g-1
Ringer's solution, used in the treatment of burns and wounds, is prepared by dissolving 8.6 g of NaCl, 0.30 g of KCI , and 0.33 g of CaCl2 in water and diluting to a volume of 1.00 L . What is the osmolarity of Ringer's solution
It takes 64 mL of .124 M KOH to neutralize 25.6 mL of H2SO4 solution. What is the concentration of the H2SO4 solution?
For the next three problems, consider 1.0 L of a solution which is 0.6 M NH4Cl and 0.2 M NH3 (Ka for NH4Cl = 5.6 x 10-10). Assume 2 significant figures in all of the given concentrations so that you should calculate all of the following pH values ..
A solution is 40.0% by volume benzene (C6H6) in carbon tetrachloride at 20C. The vapor pressure of pure benzene at this temperature is 74.61 mmHg and its density is 0.87865 g/cm3
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