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how do the tests on known solutions containing cations and anions make it possible for you to identify the cation or anions in an unknown substance?
For each pair of compounds below, indicate the more reactive in the type of mechanism specified. Briefly state why. Explain the smallest molecular dipole moment
describe the change in conductivity as the concentration of the NaCl solution was increased by the addition of NaCl drops
Lead(II) sulfide reacts with hydrogen peroxide to form lead(II) sulfate and water. How many grams of hydrogen peroxide are needed to react completely with 265 g of lead(II) sulfide?
What volume of nitrogen gas is produced from the liquid nitrogen spill if the temperature of the room is 25 degrees C at 1.00 atm?
A reaction of the form aA---->Products gives a plot of ln[A] vs time (in seconds) which is a straight line with a slope of -7.35e-3. Assuming [A]0=0.0100M,
At a certain temperature and pressure 1.4 L of N2 reacts with 2.1 L of O2. If all the N2 and O2 are consumed, what volume of N2O3, at the same temperature and pressure, will be produced?
Which process is accompanied by an increase in entropy?
In the neutralization reaction: HCl (aq) + NaOH (aq) = NaCl (aq) +H20, 25.0 mL of 0.212 M NaOH is neutralized by 13.6 mL of an HCl solution. The molarity of the HCl solution is ?
solution of the nonvolatile solute ethylene glycol, C2H4(OH)2, in water is prepared. Calculate the vapor pressure of the solution to three significant figures.
Calculate the change in pH when 5.00 mL of .100 M HCL is added to 100 mL of a buffer solution
A 14.0-g sample of CaCl2 is dissolved in 131 g of water, with both substances at 25.0°C. Calculate the final temperature of the solution assuming no heat lost to the surroundings and assuming the solution has a specific heat capacity of 4.18 J/°C ..
acid catalyzed hydrolysis of esters is usually better than base catalyzed hydrolysis. True or False.............2. Borane selectively reduces a carboxylic acid while it leaves an ester alone.
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