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Propose structures for aromatic hydrocarbons that meet the following descriptions:C10H14 gives only one C10H13Cl product on subsitution of a hydrogen on the aromatic ring with chlorine
Calculate the pH at the equivalence point in a titration between 10.00 mL of acetic acid(0.100 mol/L) and sodium hydroxide (0.100 mol/L).
In a flame test in the lab, the compound Barium Chloride and Barium nitrate have ions, what are the cations and anions for both.
Explain the significance of the chromic acid test. What would you observe in the case of a positive result? Do you expect 9-fluorenol to give a positive or negative result? What about the 9-fluorenone?
The rate constant of a reaction is 4.7 10-3 s-1 at 24°C and the activation energy is 33.6 kJ/mol. What is the value of k at 75°C?
For a particular reaction, H = -30. kJ and S = -88 J/K. Assume that H and S do not vary with temperature
White phosphorus is a molecular solid made of molecules of P4. A 3.05 g sample of white phosphorus starts at 20oC. Calculate the amount of heat (in J) required to melt the sample.
Kc = 9.7 at 900 K for the reaction NH3(g) + H2S(g) --> NH4HS(s) If the initial concentrations of NH3(g) and H2S(g) are 2.0 M, what is the equilibrium concentration of H2S(g)?
The water level in a graduated cylinder initially at 210 mL rises to 277 mL after a piece of lead is submerged. What is the mass in grams of the lead?
A bag of potato chips contains 595 mL of air at 30.0 degrees celcius and a pressure of 770 mm Hg. Assuming the bag does not break, what will be its volume at the top of a mountain where the pressure is 438 mL and the temperature is 8.00 celcius?
Suppose that you wished to prepare copper(II) carbonate by a precipitation reaction involving Cu2+ and CO32-. Select all of the pairs of reactants that could be used as solutes
Determine the pressure change when a constant volume of gass at 1.00 atm is heated from 20.0 C to 30.0C.
Calculate the number of moles of liquid propane that can be stored in the same volume if the density of the liquid is 0.590 {rm{g}}/{{rm{mL}}}.
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