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Which alkyl bromide will react the fastest with sodium iodide in acetone: 1-bromobutane, 2-bromobutane, or 2-bromo-2-methylpropane? Which alkyl bromide will react the slowest? Explain how the structure of the alkyl halide affects the rate of an SN2 reaction.
Oxygen is a common oxidizing agent in nature. What changes in the oxidation number of oxygen must occur if it is to be an oxidizing agent
The threshold frequency of dislodging an electron from a zinc metal surface is 8.54x10^14 Hz. Calculate the minimum amount of energy required to remove an electron from zinc surface.
compare the pH of a .040 M HCl solution with that of a .040 M H2SO4 solution. (hint: H2SO4 is a strong acid; Ka for HSO4- = 1.3 X 10^-2)
dimethylglyoxime dmg is an organic compound used to test for aqueous nickelii ions. a solution prepared by dissolving
Classify each compound as a strong electrolyte, weak electrolyte, or non-electrolyte. HI HClO4 CH3OH HC2H3O2
the MWP for a tank is 207.0 bar at 20 degrees C. If the tank is filled at 200.0 bar at 20 degrees C, what is the maximum pressure the tank achieves if left in the sun on a boat, if the tank temperature reaches 35.0 degrees C?
Determine the specific heat of a material if a 38 g sample of the material absorbs 40. J as it is heated from 298 K to 313 K?
In a titration of HNO3, you add a few drops of phenolphthalein indicator to 50.00 mL acid in a flask. You quickly add 20.00 mL of 0.0414 M NaOH but overshoot the end point, and the solution turns deep pink.
electorde to one side of the cell and the standard hydrogen electorde to the other side of the cell. If the temperature of this cell is 10.25 degree C , what is the electrochemical potential of this cell? E Ni2+/Ni= -0.230V
A. Use the dipole moments of HF and HCl ( HF= 1.08 D, HCl = 1.82) together with the percent ionic character of each bond ( HF= 20% ionic, HCl= 45% ionic) to estimate the bond length in each molecule.
If 20mL of .10M NaOH is added to 45mL of .20M HC2H3O2, what is the pH of the resulting solution at 25 degrees Celsius
Calculate the molar mass of the unknown gas. (remember that the faster the rate of effusion, the shorter the time required for effusion of 1.0L
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