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What is the pH when 0.005 moles of HCl is added to 0.100L of a buffer solution that is 0.100M in CH3CO2H and 0.100M NaCH3CO2?
paris is one of my favorite european cities. this question relates to a possible problem with parisian drinking water.
using a sample of 21.004 grams of aqueous waste leaving a fertilizer manufacturer has nh3 ammonia. is diluted with h2o
How many milliliters of 0.200 M NaOH are needed to neutralize 100. mL of 0.100 M HCl
Denoting the initial, unknown concentration CD2+, write an equation to calculate the final concentration , CD2+ considering the dilution factor, units are ppm.
The temperature of a block of copper metal (molar mass 63.55 g mol-1) fell by 8.52 K when the copper block released 64.5 J of heat. What is the mass of the copper block?
Reaction 1 uses 0.260 of reactant, and Reaction 2 uses 0.590 of reactant. How many times faster is Reaction 2 compared to Reaction 1.
Calculate the de Broglie wavelength, in nm, of a baseball of 5.25 ounces with a speed of 97.0 mph
an industrial process makes calcium oxide by decomposing calcium carbonate. which of the following is not needed to
isooctane a fuel used in gasoline engines because it has an antiknock octance rating of 100 has a density of 0.6919 g
Consider the flask apparatus in the following diagram, which contains 2.00 L of H2 at a pressure of 380. torr and 1.00 L of N2 at an unknown pressure. If the total pressure in the flasks is 300. torr after the stopcock is opened, determine the ini..
how many milliliters of a .250 m sulfuric acid solution would be required to completely react with 2.398 grams of solid
Use average bond energies to calculate the energy released when 1 mole of acetylene gas (ethyne, C2H2) reacts completely with O2(g) to form gaseous products. Use the information in the Table of Bond Enthalpies which is in the Chemistry Tables link..
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