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Question- Dissolve 1.69 g Oleum all H2SO4.3SO3 formula to balance water. Neutralize the solution obtained should V ml 1M KOH. The value of V is
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Phenol is a common organic compound that may be used as a disinfectant. Its pKa in water is 10.0 while in methanol its pKa = 14.4. Is it a stronger acid in water or methanol? Explain the difference in the pKa for phenol in the different solvents.
Problem- Calculate the resolution for a 1115.5 keV Zn peak that has a FWHM of 2.01 keV. 1) Calculate the resolution for a 1115.5 keV Zn peak that has a FWHM of 200 keV.
if a molecule of a neon gas travels at an average of 400.m/s at a given temperature, estimates the average speed of a molucule of butane gas, C4H10, at the same temperature.
In trans-1,2-dibenzoylethylene, even though the conjugated C=O group frequency coincides directly with the expected C=C stretching fequency, we would not have expected to observe the late stretching mode in the infrared spectum. Why
for the reaction a --gt b the activation energy is ea 125 kjmol and the heat of reaction h 50 kjmol. what is ea for
a discuss the relationship between the production of nitrogen oxide species and the formation of acid rain and the role
Write the electronic configuration in sublevels for the following atoms
Calculate the molar concentration of the HCL solution that the student used. Calculate the number of moles of HCL neutralized by the antacid tablet.
Problem- What is the solubility product of Mg(OH)2 in 0.05M NaCl if the activity coefficients for the ions in solution are as follows: Na = 0.82, Cl = 0.81, Mg =0.52 and OH = 0.81. The Ksp for Mg(OH)2 in pure water is 7.1 x 10^-12
Solid aluminum metal and diatomic chlorine gas react spontaneously to form a solid product. Give the balanced chemical equation (including phases) that describes this reaction.
what is the crystal lattice energy of lii? sublimation energy for li is 155 kjmol and ionization energy for li is 520
Sorbose, C6H12O6, is used in making vitamin C. A sorbose sample containing 48 g of carbon atoms also contains ____ g of hydrogen atoms.
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