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Problem- Most acid base indicators are weak acids. In a titration of 0.5 M acetic acid (ka=1.8 X 10 ^ -5 ) with KOH, which indicator would best indicate the ph at the equivalence point?
I just need a general explanation of it please- Thanks!
Plutonium, 244/94 PU, is a radioactive nuclide. When one of these atoms decays, a series of alpha and beta particle emissions occurs until the lead isotope, 208/82 Pb, is produced.
It is known that the ^2P terms lies at 670.78nm above the ground state. whcih is 1s^2 2s^1 ^2S. calculate the ionization energy ofthe ground state atom
Estimate the heat released when ethene CH2 CH2 reacts with hydrogen gas to give CH3CH3.
201.0 nm ultraviolet light strikes a metal plate and ejects electrons having kinetic energy E = 3.54 eV. Calculate the binding energy of an electron at the metal surface
Important information about Synthesis of Aromatic Compounds - Toluene to methyl benzyl ether and phenol to phenacetin
if a saturated solution of NH4NO3 at 70 degrees Celsius was cooled to 10 degrees Celsius, how many grams of solute will separate if the quantity of the solvent is 98 grams?
Why is water a reactant in the fermentationof sucrose? Enter the solubility-product expression
a balloon has a volume of 1.20 L at 24 degrees C. the balloon is heated to 48 degrees C. calculate the new volume of the balloon.
Problem- If 10.0 kj of heat are added to a 15.5 g ice cube at -5.00 degrees C what will be the resulting state and temperature of the water
10 logarithmic scale of hydrogen ion concentration Be careful If pH = -log [H+ ], what does [H+ ] equal? If the pH of an aqueous solution is 3.50 at 25 C, what is the hydroxide ion concentration?
question the initial concentration of a reactant in the first order is .28m. the rate constant for the reaction
50.0 ml of 2.00M H2SO4 react with 75.O ml of 2.00M NaOH.Identify the limiting and excess reactants.
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