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a. The acid dissociation constant, Ka, for phenol, C6H5OH, is 1068X10^-10. Calculate the pH of a 0.75 M C6H5OH solution.
b. Calculate the pH of a 105 M NaHSO4 solution. It's dissociation constant is 1.2X10^-2
Propane reacts with molecular fluorine to form fluoropropane in the presence of light energy. Using curvy arrows to show the movement of electrons, present a reasonable mechanism for this reaction. Label each step in the process.
Calculate the altitude at which only 10% of the mass of the atmosphre is above and 90% of the mass of the atmosphere is below.
Give two reasons why ethuyl iodide is preferred over ethyl chloride in the Williamson ether synthesis.
Iodine-131 is one of the most important isotopes used in the diagnosis of thyroid cancer. One atom has a mass of 130.906114 amu. Calculate the binding energy
you are given a mixture of two cations. when this mixture was treated with 6 m hcl there was no precipitate. it gave a
The rate of disappearance of HBr in the gas phase reaction is 0.103 Ms-1 at 150 deg Celsius. what is the rate of reaction.
What is the identity of the metal if 0.280 grams of the metal is plated out in the electrolysis? Show all calculations.
What would happen to the calcium ion concentration in a saturated solution of Ca(OH)2 if the hydroxide ion concentration is increased by dissolving solid NaOH. What is the name of this effect
A foundry worker throws a hot, freshly cast piece of iron into 10 liters (10 kg) of water to cool off. The initial temperature of the water is 25 degree celcius and the initial temperature of the iron is 100 degree celsius.
A mass of mercury occupies 0.950 L. What volume would an equal mass of ethanol occupy? The density of mercury is and the density of ethanol is 0.789 g/mL.
A fluorinated organic gas in a cylinder is com- pressed from an initial volume of 960 mL at 158 Pa to 478 mL at the same temperature. What is the final pressure? Answer in units of Pa.
Calculate the mass of hydrogen per oxide needed to obtain 0.460 L of oxygen gas at STP. 2H2O2(aq) → 2H2O(l) + O2(g).
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