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Acetic acid is titrated with NaOH hydroxide. What is the relevant reaction? what is the equilibrium constant for this reaction, if Ka=1.76x10^-5 for acetic acid?
what is the molar mass of gas if 0.250 g of the gas occupies 215 mL at 61 8mmHg and 30. 0C
If the copper is drawn into wire whose diameter is 7.50 , how many feet of copper can be obtained from the ingot? The density of copper is 8.94
How much heat is absorbed when 28.3g H2O(s) at 0 degrees celcuis is converted to liquid at 0 degrees celcius
Reaction kinetics - Determination of the activation energy of the reaction between oxalic acid and potassium permanganate.
When a 2.00-g sample of KSCN is dissolved in water in a calorimeter that has a total heat capacity of 1.083 kJ·K-1, the temperature decreases by 0.460 K.
If 23.7 grams of an aqueous solution of barium bromide, BaBr2, contains 6.00 grams of barium bromide, what is the percentage by mass of barium bromide in the solution?
Define three carbon atoms bear the unpaired electron, The pentadienyl radical, CH2=CH-CH=CH-CH2, has its unpaired electrons delocalized over three carbon atoms
Calculate the mass of KI in grams required to prepare 5.00x10^ 2mL of 3.2 M solution.
An electron microscope employs a beam of electrons to obtain an image of an object. What energy must be imparted to each electron of the beam to obtain a wavelength of 10.0pm? Obtain the energy in electron volts (eV) (1eV= 1.602x10^-19J )
List and describe briefly the 2 methods which are used by drug companies to discover lead compounds
What is the chemical formula for the base iron(III) hydroxide. The formula for the oxalate ion is C2O4^2-
Lead poisoning in children used to be treated with intravenous injections of EDTA. If the concentration of EDTA in the blood of the patient is 2.60x10^-8 M and the formation constant for the complex
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