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Describe the major E2 reaction product formed when trans-1-chloro-2-ethylcyclohexane reacts with hydroxide ion in DMSO.
a tlc plate showed two spots with rf values of 0.25 and 0.26. the plate was removed from the developing chamber the
the ph difference across the membrane of a glass electrode is 6.45. how much voltage is generated by the ph gradient
When one mole of H20(g) is condensed to 1 mole of H20(l) at 1.00 atm and 100C, 40.66 kJ of heat is released. If the density of H20(l) at this temperature and pressure is .996 g/cm^3, calculate
ozonolysis of a followed by dimethyl sulfide reduction produces a single optically active compound c c5h8o2. reduction
Calculate C (vm) i.e constant molar volume heat and the final pressure of a sample of carbon dioxide that expands reversibly and adiabatically from 57.4 kPa and 1 dm^3 to a final volume of 2 dm^3 . Take gamma(γ)= 1.4
if 50.0 mL of 10.0 degrees ceclius water is added to 40.0 mL of 65.0 degrees celcius, calculate the final temperature of the mixture assuming no heat is lost to its surroundings,
What mass of Li2S is needed to prepare 300. mL of a solution having a litium ion concentration of 0.050 M
Calculate the solubility-product constant for Nd2(CO3)3. Ksp = (c) The Ksp of Ga(OH)3 at 25 oC is 7.28e-36. What is the molar solubility of Ga(OH)3? solubility = mol/L
calculate the mass of solid agno3 that can be added to 2.0l of a 0.10 m k2cro4 solution in order to just start
Why are monochromators (prism or grating monochromators) used in scanning instruments as opposed to absorption filters
What is the pH of a solution which results from mixing 100.0 mL of 0.50 M CH3COOH (aq) and 200.0 mL of 0.25 M NaOH (aq) at 25 degrees C? (Kb for CH3COO = 5.6 x 10^-10)
Lactic acid, C3H6O3, is a monoprotic acid that is available in solid form. Determine the concentration of an unknown solution of sodium hydroxide, in moles per litre, given that it takes 18.34 mL to neutralize a solution containing 0.821 g of lact..
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