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What is the pH when 25mL of .20M CH_3COOH has been titrated with 35mL of .10M NaOH?
A sample of ammonium dichromate contains 2.25 moles of hydrogen atoms. How many moles of oxygen atoms are in the sample
calculate the solubility of caoh2 in a 0.469m cacl2 solution at 31degc given that the ksp of caoh2 is 4.96 x 10-6 at
Solid NaI is slowly added to a solution that is 0.0091 M Cu+ and 0.0077 M Ag+. Calculate the concentration of Ag+ when CuI
The vapor pressure of water at 45.0 degrees celcius is 71.93 mmHg. Calculate the vapor pressure of a solution of 1.50m K2CO3 at this temperature (assume 100% dissociation)
the expresssion for the freezing point depression of a solution relative to that of the pure solute is shown above.
What is the balanced net ionic equation for precipitation of CaCO3 when aqueous solutions of Na2CO3 and CaCl2 are mixed
The specific heat capacity of graphite is .71 J/gC. Calculate the energy required to raise the termperature of 283 grams of graphite by 112 degree C.
MgBr2 and Pb(NO3)2 2) CuSO4 and H2S Write ionic equations (molecular reactions, ionic equations and net ionic equations indicating the spectator ions in these reactions)
How many molecules of acetylene (HCCH) react with 131 molecules of oxygen to produce carbon dioxide and water
Three manufacturers are producing carbonated bottled water. One company introduces carbonate by bubbling carbon dioxide into water until CT=10-3 M (equivalent to adding "H2CO3*" until CT = 1 x 10-3 M), a second adds sodium bicarbonate (NaHCO3) unt..
The rate of the following reaction is 0.120 M/s. What is the relative rate of change of each species in the reaction
How much heat (in kJ ) is required to warm 12.0 grams of ice, initially at -12.0 Celsius, to steam at 112.0 Celsius? The heat capacity of ice is 2.09 J/g*Celsius and that of steam is 2.01 J/g*Celsius?
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