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Trans-1,2-dimethylcyclobutane is more stable than cis-1,2-dimethylcyclobutane, but cis-1,3-dimethylcyclobutane is more stable than trans-1,3-dimethylcyclobutane. Draw the stereochemical (3-D) structures of these compounds and explain these observations.
Calculate the pH at the halfway point and at the equivalence point for each of the following titrations. (a) 100.0 mL of 0.42 M HC7H5O2 (Ka= 6.4 multiplied by 10-5) titrated by 0.42 M NaOH halfway point equivalence point
if the tank is heated, what is the maximum pressure that will be attained in the tank before the plug will melt and release gas?
what vibrational bands would be prominent in the Ir spectra of 3-aminoacetophenone and 1-(3nitrophenyl) ethanol? at approximately
What main type of intermolecular attraction would you expect for cl2c0?
Write a chemical equation for the formation of methionyl glycine
Calculate the equilibrium concentrations of NH3 and H2S if a sample of solid NH4HS is placed in a closed vessel and decomposes until equilibrium is reached
What is the structure of the product formed in the following reaction of an epoxide with ethoxide ion? If more than one stereochemical product is possible
Calculate the number of grams of sulfuric acid present in the mixture after the reaction is complete.
A solution contains 25 mmol of H3PO4 and 10. mmol of NaH2PO4. What volume of 2.0 M NaOH must be added to reach the second equivalence point of the titration of the H3PO4 with NaOH?
How much energy is released per Kg of Dilithium formed? Mass of one atom of 6 Li is 6.015121 amu. Do not know where to start.
A voltaic cell consists of a Mn/Mn2+ electrode (E°= -1.18 V) and a Fe/Fe2+ electrode (E°= -0.44 V). Calculate [Fe2+] if [Mn2+] = 0.050 M and Ecell = 0.78 V at 25°C.
The rate constant of a reaction is 4.7 10-3 s-1 at 17°C and the activation energy is 33.6 kJ/mol. What is the value of k at 75°C.
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