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Equal volumes of 0.316 M aqueous solutions of nitrous acid and sodium acetate are mixed. What is the nitrite ion concentration once equilibrium is established
Use a drawing program to draw a beaker.
A weak acid (HA) is found to ionize 17.8% when mixed at a concentration of 0.3 mol/L. What is the value of Ka for this acid?
H2 and Cl2 combine to form HCl. In a gas phase equilibrium mixture of H2, Cl2, and HCl at 300 K, [HCl] = 0.0036 mol/L and [Cl2] = 0.00485 mol/L.
A mixture of acetaldehyde CH3CHO and propanal C2H5CHO under basic conditions
Electrons are ejected from sodium metal by any light that has a wavelength shorter than 544 nm. What is the kinetic energy of an electron
Given a stock solution of a food dye having a concentration of 1.0 x 10-5 and an absorbance of 0.700. If a new solution is made by diluting exactly 10.0 mL of the solution with exactly 44.4 mL of distilled water, what should the absorbance of the ..
What is the possible chemical explanation for this? I understand that a reaction using a thiamine catalyst at room temperature for 48 hours may lead to lower yield due to catalyst decomposition, but I'd like to know a more technical explanation.
After the reaction comes to equilibrium, an additional 1.00g of O2(g) is added to the system. What is the expected partial pressure of SO2(g) then?
how many liters of C6H14(l) measured at 20 degC must be burned to provide enough heat to warm 26.9m^3 of water from 17.7 to 32.6degC .
Hydrogenation of a liquid triacylglycerol converts: a. the ester group to a ketone group, b. the ester group to a carboxylic group
A gaseous mixture contains 450.0 Torr of H2(g), 358.7 Torr of N2(g), and 65.1 Torr of Ar(g). Calculate the mole fraction, X, of each of these gases.
How many grams of sodium formate, NaCHO2, must be added to 750.0mL of .250 M of formic acid, HCHO2, to obtain a buffer with pH of 5.5
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