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Explain how is the pKa of a phenol different than an aliphatic alcohol? Can a phenol be deprotonated by 3 M NaOH, can aphenol be deprotonated by NaHCO3?
What is the percent yield of a reaction in which 41.5 g tungsten (VI) oxide is combined with excess hydrogen gas to produce metallic tungsten
when rubidium metal is exposed to air one rb atom is combined with two oxygen atoms. if 1.75g of rb is exposed to air
A reaction vessel contains these compounds at equilibrium. What will happen if the volume of the container is reduced by 50% at constant temperature.
Which of the seven cations will be the hardest to detect (same anions as above), Why do you think this? If two or more are possible explain why.
what is the molarity of leadiinitrate solution if 50.00ml of the leadiinitrate solution is reacted with aluminum
Calculate the freezing point of each of the solution 75.0 g of glucose,C6H1206 , added to 0.539 kg of water. Calculate the boiling point of the solution. 75.0 g of glucose,C6H1206 , added to 0.539 kg of water.
calculate the zero point vibrational energies for -o-h and -o-d bonds.if a reaction of these bonds involves breaking
What is the [H3O+] of a buffer that consists of 0.154 M CH3CH2COONa and 0.645 M CH3CH2COOH. Ka of propanoic acid, CH3CH2COOH is 1.3 x 10-5.
Calculate the free energy change for the interconversion of glyceraldehyde-3-phosphate (G3P) and dihydroxyacetone phosphate (DHAP) if [DHAP] = 0.01M, [G3P]=0.001 M and deltaG= -1840 cal/mol at pH 7 and 25 deg Celcius
The [OH-] = 1.3 x 10^ -6 M for a 0.025 M solution of a weak base. Calculate the value of Kb for this weak base.
What was the applied pressure at the end of this process if the final concentrations of the solutions were 0.053 M and 0.150 M at a temperature of 23 degrees C
one gram of solid calcium sulfate caso4s is added to 500 ml of pure water. immediately the solid begins to dissolve
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